From patchwork Sat Aug 18 19:01:06 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 144501 Delivered-To: patch@linaro.org Received: by 2002:a2e:9754:0:0:0:0:0 with SMTP id f20-v6csp2203066ljj; Sat, 18 Aug 2018 12:05:36 -0700 (PDT) X-Google-Smtp-Source: AA+uWPzhoGpaIvExh5DpEnoYiHzFoWBsBITDQsJHFOpGZsP8U3uGHoL4uc/vkSvTeL7SXhPoJXix X-Received: by 2002:a0c:b067:: with SMTP id l36-v6mr36114129qvc.176.1534619136141; Sat, 18 Aug 2018 12:05:36 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1534619136; cv=none; d=google.com; s=arc-20160816; b=eTX6TWzJXP8F4ry6YNnD1+oOH2OB2fzh4RnyJ5i5w8hEzD7W742E52ZvWHsFuuXO2f Cq9WRcNCJygdD2facWOdMR1SOGM+blYPBj8qe85dd5m8POVpY1u2Za3wb29pgKqnYxIM /0jJ9CiSBpfG2qkkrZGEu5tZfYXpSZyCczn3O8LruBeqrdsnWZKzAstmqxXRQ8bnAAA+ skbEhg7rDW+0PtcU09zv+8N25pXgZkwXX8pMQWfL/uooCDppwauyHkTaw7IasolXN3EP SzSyASP6Oln1Q+0BOF/xUzuYgSpmKOH/LH4Jtsx9MWuHvesdm09z1rKJmUejQcvmoRr/ 9tWw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:subject :content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:to:from:dkim-signature:arc-authentication-results; bh=TYwuOWD9Eu7r6hrnKJbJan++nPaApe2bc9cwle/HS4I=; b=BWNlOTkRuA180gHMdYHSReR9R3VpgCUIlX1vlSAWfmwmoSqB/AdgxkD7lCnhdWC4yK iUdJS/KagMNQv+uxetfEJZZdYvR8dx0ytto8vSuGVmuBxWgRo8EiWPk2PJm745Gc7Aw/ B9WxC2i732et875EnT/OWUfxEQHS8c+QH9x4tQz9rBCxVGTYpndYH7tF+/MQoNdPqSii Gl1RduhxpDxVraPqtRxUJsu/WICVDIF22ru/ZyebxGcor/iqqoib2M1k+iyoZAkgI4eC fl72BPbfcURwe7Mfk4c5B+LLlJu0AgbsPnthLcMZnHBTSIOc4cBpSa/2TlKzIDG8RNTS esxg== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=e5BiO9vJ; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [2001:4830:134:3::11]) by mx.google.com with ESMTPS id e190-v6si2963684qkc.339.2018.08.18.12.05.35 for (version=TLS1 cipher=AES128-SHA bits=128/128); Sat, 18 Aug 2018 12:05:36 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) client-ip=2001:4830:134:3::11; Authentication-Results: mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=e5BiO9vJ; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:40135 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fr6XX-0008Fx-EL for patch@linaro.org; Sat, 18 Aug 2018 15:05:35 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55217) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fr6Tc-0005Gi-Nq for qemu-devel@nongnu.org; Sat, 18 Aug 2018 15:01:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fr6TY-00078X-RZ for qemu-devel@nongnu.org; Sat, 18 Aug 2018 15:01:32 -0400 Received: from mail-pl0-x241.google.com ([2607:f8b0:400e:c01::241]:42003) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fr6TY-00077i-E1 for qemu-devel@nongnu.org; Sat, 18 Aug 2018 15:01:28 -0400 Received: by mail-pl0-x241.google.com with SMTP id g23-v6so2205578plq.9 for ; Sat, 18 Aug 2018 12:01:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=TYwuOWD9Eu7r6hrnKJbJan++nPaApe2bc9cwle/HS4I=; b=e5BiO9vJ8dzTnERmrTTW8NRZUQpVqd8VL1xBUIxT5p7Q9wxPn+GEbzMZIKNHvzzsY6 3BxuZiVJQKBoFQDaJxL9YDC88mjIxqYnia9ORMuJdddm1TJTXlyJOjBSW2pGQfm8UfuK ICzXXg+fN52I8fEaJFLUE85Y6BcYedNyNvf/4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=TYwuOWD9Eu7r6hrnKJbJan++nPaApe2bc9cwle/HS4I=; b=MIsTth2SgKDhk63IvNiis4Iq33glaDspOADJoEoaimpVLNrKjxAEmgHP7D1KdBmk2L +APR+hSRNUJxZQYFRF3HO98S7OihYITIf4PWLsJzY7fiyQ2+WcWVmYKRLYKwgM94BcIt F23a3z4iLTfTbRnPUN0Weqk3BB4nnFIorCyCLWv5IRm6FEgJtyPyzm95Rr7VHG3Lj1nQ kpwTvHvv5K48itaNzhqOZ+f23ngFijKHteLXzYHalJ14rFEfQzriUDAJyN58FxbZ5IBO yBnlZh1xiOmoq/uPTcVToIk1A8VqncBc8xJfbbO7xuGGXrknbmcsEEFgdNY9gC66WVDn RmTA== X-Gm-Message-State: AOUpUlGjB8Uxs1agM3R/5V5sArAXTVR+DgNpnFVkb5S/NWCMMXTzuGo5 JrzV/QaN3yrtkH3xTQfyADvIiDYcxm0= X-Received: by 2002:a17:902:b283:: with SMTP id u3-v6mr5589353plr.2.1534618886416; Sat, 18 Aug 2018 12:01:26 -0700 (PDT) Received: from cloudburst.twiddle.net (97-113-8-179.tukw.qwest.net. [97.113.8.179]) by smtp.gmail.com with ESMTPSA id q85-v6sm9362783pfa.151.2018.08.18.12.01.25 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 18 Aug 2018 12:01:25 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Sat, 18 Aug 2018 12:01:06 -0700 Message-Id: <20180818190118.12911-5-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180818190118.12911-1-richard.henderson@linaro.org> References: <20180818190118.12911-1-richard.henderson@linaro.org> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400e:c01::241 Subject: [Qemu-devel] [PATCH v4 04/16] linux-user: Propagate goto efault to return X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: laurent@vivier.eu Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Laurent Vivier Signed-off-by: Richard Henderson --- linux-user/syscall.c | 341 ++++++++++++++++++++++--------------------- 1 file changed, 175 insertions(+), 166 deletions(-) -- 2.17.1 diff --git a/linux-user/syscall.c b/linux-user/syscall.c index f92a24f32a..23c3cd5ddd 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -8052,7 +8052,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, return 0; } else { if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(safe_read(arg1, p, arg3)); if (ret >= 0 && fd_trans_host_to_target_data(arg1)) { @@ -8063,7 +8063,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, return ret; case TARGET_NR_write: if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) - goto efault; + return -TARGET_EFAULT; if (fd_trans_target_to_host_data(arg1)) { void *copy = g_malloc(arg3); memcpy(copy, p, arg3); @@ -8081,7 +8081,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #ifdef TARGET_NR_open case TARGET_NR_open: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(do_openat(cpu_env, AT_FDCWD, p, target_to_host_bitmask(arg2, fcntl_flags_tbl), arg3)); @@ -8091,7 +8091,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #endif case TARGET_NR_openat: if (!(p = lock_user_string(arg2))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(do_openat(cpu_env, arg1, p, target_to_host_bitmask(arg3, fcntl_flags_tbl), arg4)); @@ -8126,7 +8126,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(safe_wait4(arg1, &status, arg3, 0)); if (!is_error(ret) && arg2 && ret && put_user_s32(host_to_target_waitstatus(status), arg2)) - goto efault; + return -TARGET_EFAULT; } return ret; #endif @@ -8138,7 +8138,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(safe_waitid(arg1, arg2, &info, arg4, NULL)); if (!is_error(ret) && arg3 && info.si_pid != 0) { if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0))) - goto efault; + return -TARGET_EFAULT; host_to_target_siginfo(p, &info); unlock_user(p, arg3, sizeof(target_siginfo_t)); } @@ -8148,7 +8148,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #ifdef TARGET_NR_creat /* not on alpha */ case TARGET_NR_creat: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(creat(p, arg2)); fd_trans_unregister(ret); unlock_user(p, arg1, 0); @@ -8174,7 +8174,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, { void * p2 = NULL; if (!arg2 || !arg4) - goto efault; + return -TARGET_EFAULT; p = lock_user_string(arg2); p2 = lock_user_string(arg4); if (!p || !p2) @@ -8189,7 +8189,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #ifdef TARGET_NR_unlink case TARGET_NR_unlink: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(unlink(p)); unlock_user(p, arg1, 0); return ret; @@ -8197,7 +8197,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #if defined(TARGET_NR_unlinkat) case TARGET_NR_unlinkat: if (!(p = lock_user_string(arg2))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(unlinkat(arg1, p, arg3)); unlock_user(p, arg2, 0); return ret; @@ -8217,7 +8217,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, guest_argp = arg2; for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) { if (get_user_ual(addr, gp)) - goto efault; + return -TARGET_EFAULT; if (!addr) break; argc++; @@ -8226,7 +8226,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, guest_envp = arg3; for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) { if (get_user_ual(addr, gp)) - goto efault; + return -TARGET_EFAULT; if (!addr) break; envc++; @@ -8301,7 +8301,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, return ret; case TARGET_NR_chdir: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(chdir(p)); unlock_user(p, arg1, 0); return ret; @@ -8313,14 +8313,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (!is_error(ret) && arg1 && put_user_sal(host_time, arg1)) - goto efault; + return -TARGET_EFAULT; } return ret; #endif #ifdef TARGET_NR_mknod case TARGET_NR_mknod: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(mknod(p, arg2, arg3)); unlock_user(p, arg1, 0); return ret; @@ -8328,7 +8328,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #if defined(TARGET_NR_mknodat) case TARGET_NR_mknodat: if (!(p = lock_user_string(arg2))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(mknodat(arg1, p, arg3, arg4)); unlock_user(p, arg2, 0); return ret; @@ -8336,7 +8336,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #ifdef TARGET_NR_chmod case TARGET_NR_chmod: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(chmod(p, arg2)); unlock_user(p, arg1, 0); return ret; @@ -8371,7 +8371,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (arg1) { p = lock_user_string(arg1); if (!p) { - goto efault; + return -TARGET_EFAULT; } } else { p = NULL; @@ -8382,7 +8382,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (arg1) { unlock_user(p, arg1, 0); } - goto efault; + return -TARGET_EFAULT; } if (arg3) { @@ -8392,7 +8392,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p, arg1, 0); } unlock_user(p2, arg2, 0); - goto efault; + return -TARGET_EFAULT; } } else { p3 = NULL; @@ -8421,7 +8421,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #ifdef TARGET_NR_umount case TARGET_NR_umount: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(umount(p)); unlock_user(p, arg1, 0); return ret; @@ -8431,7 +8431,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, { time_t host_time; if (get_user_sal(host_time, arg1)) - goto efault; + return -TARGET_EFAULT; return get_errno(stime(&host_time)); } #endif @@ -8459,7 +8459,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, struct target_utimbuf *target_tbuf; if (arg2) { if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) - goto efault; + return -TARGET_EFAULT; tbuf.actime = tswapal(target_tbuf->actime); tbuf.modtime = tswapal(target_tbuf->modtime); unlock_user_struct(target_tbuf, arg2, 0); @@ -8468,7 +8468,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, host_tbuf = NULL; } if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(utime(p, host_tbuf)); unlock_user(p, arg1, 0); } @@ -8482,13 +8482,13 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (copy_from_user_timeval(&tv[0], arg2) || copy_from_user_timeval(&tv[1], arg2 + sizeof(struct target_timeval))) - goto efault; + return -TARGET_EFAULT; tvp = tv; } else { tvp = NULL; } if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(utimes(p, tvp)); unlock_user(p, arg1, 0); } @@ -8502,13 +8502,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (copy_from_user_timeval(&tv[0], arg3) || copy_from_user_timeval(&tv[1], arg3 + sizeof(struct target_timeval))) - goto efault; + return -TARGET_EFAULT; tvp = tv; } else { tvp = NULL; } - if (!(p = lock_user_string(arg2))) - goto efault; + if (!(p = lock_user_string(arg2))) { + return -TARGET_EFAULT; + } ret = get_errno(futimesat(arg1, path(p), tvp)); unlock_user(p, arg2, 0); } @@ -8524,16 +8525,18 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #endif #ifdef TARGET_NR_access case TARGET_NR_access: - if (!(p = lock_user_string(arg1))) - goto efault; + if (!(p = lock_user_string(arg1))) { + return -TARGET_EFAULT; + } ret = get_errno(access(path(p), arg2)); unlock_user(p, arg1, 0); return ret; #endif #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) case TARGET_NR_faccessat: - if (!(p = lock_user_string(arg2))) - goto efault; + if (!(p = lock_user_string(arg2))) { + return -TARGET_EFAULT; + } ret = get_errno(faccessat(arg1, p, arg3, 0)); unlock_user(p, arg2, 0); return ret; @@ -8604,7 +8607,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #ifdef TARGET_NR_mkdir case TARGET_NR_mkdir: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(mkdir(p, arg2)); unlock_user(p, arg1, 0); return ret; @@ -8612,7 +8615,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #if defined(TARGET_NR_mkdirat) case TARGET_NR_mkdirat: if (!(p = lock_user_string(arg2))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(mkdirat(arg1, p, arg3)); unlock_user(p, arg2, 0); return ret; @@ -8620,7 +8623,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #ifdef TARGET_NR_rmdir case TARGET_NR_rmdir: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(rmdir(p)); unlock_user(p, arg1, 0); return ret; @@ -8648,7 +8651,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (arg1) { tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); if (!tmsp) - goto efault; + return -TARGET_EFAULT; tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime)); tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime)); tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime)); @@ -8670,8 +8673,9 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (arg1 == 0) { ret = get_errno(acct(NULL)); } else { - if (!(p = lock_user_string(arg1))) - goto efault; + if (!(p = lock_user_string(arg1))) { + return -TARGET_EFAULT; + } ret = get_errno(acct(path(p))); unlock_user(p, arg1, 0); } @@ -8679,7 +8683,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #ifdef TARGET_NR_umount2 case TARGET_NR_umount2: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(umount2(p, arg2)); unlock_user(p, arg1, 0); return ret; @@ -8712,7 +8716,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, return get_errno(umask(arg1)); case TARGET_NR_chroot: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(chroot(p)); unlock_user(p, arg1, 0); return ret; @@ -8762,7 +8766,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, struct target_old_sigaction *old_act; if (arg2) { if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) - goto efault; + return -TARGET_EFAULT; act._sa_handler = old_act->_sa_handler; target_siginitset(&act.sa_mask, old_act->sa_mask); act.sa_flags = old_act->sa_flags; @@ -8773,7 +8777,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(do_sigaction(arg1, pact, &oact)); if (!is_error(ret) && arg3) { if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) - goto efault; + return -TARGET_EFAULT; old_act->_sa_handler = oact._sa_handler; old_act->sa_mask = oact.sa_mask.sig[0]; old_act->sa_flags = oact.sa_flags; @@ -8784,7 +8788,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (arg2) { if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) - goto efault; + return -TARGET_EFAULT; act._sa_handler = old_act->_sa_handler; target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); act.sa_flags = old_act->sa_flags; @@ -8798,7 +8802,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (!is_error(ret) && arg3) { if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) - goto efault; + return -TARGET_EFAULT; old_act->_sa_handler = oact._sa_handler; old_act->sa_flags = oact.sa_flags; old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; @@ -8812,7 +8816,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, struct target_sigaction act, oact, *pact; if (arg2) { if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) - goto efault; + return -TARGET_EFAULT; act._sa_handler = old_act->_sa_handler; target_siginitset(&act.sa_mask, old_act->sa_mask); act.sa_flags = old_act->sa_flags; @@ -8828,7 +8832,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(do_sigaction(arg1, pact, &oact)); if (!is_error(ret) && arg3) { if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) - goto efault; + return -TARGET_EFAULT; old_act->_sa_handler = oact._sa_handler; old_act->sa_mask = oact.sa_mask.sig[0]; old_act->sa_flags = oact.sa_flags; @@ -8858,7 +8862,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } if (arg2) { if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1)) - goto efault; + return -TARGET_EFAULT; act._sa_handler = rt_act->_sa_handler; act.sa_mask = rt_act->sa_mask; act.sa_flags = rt_act->sa_flags; @@ -8869,7 +8873,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(do_sigaction(arg1, pact, &oact)); if (!is_error(ret) && arg3) { if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0)) - goto efault; + return -TARGET_EFAULT; rt_act->_sa_handler = oact._sa_handler; rt_act->sa_mask = oact.sa_mask; rt_act->sa_flags = oact.sa_flags; @@ -8890,7 +8894,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } if (arg2) { if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) { - goto efault; + return -TARGET_EFAULT; } #ifdef TARGET_ARCH_HAS_KA_RESTORER act->ka_restorer = restorer; @@ -8992,7 +8996,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto fail; } if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) - goto efault; + return -TARGET_EFAULT; target_to_host_old_sigset(&set, p); unlock_user(p, arg2, 0); set_ptr = &set; @@ -9003,7 +9007,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = do_sigprocmask(how, set_ptr, &oldset); if (!is_error(ret) && arg3) { if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) - goto efault; + return -TARGET_EFAULT; host_to_target_old_sigset(p, &oldset); unlock_user(p, arg3, sizeof(target_sigset_t)); } @@ -9036,7 +9040,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto fail; } if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) - goto efault; + return -TARGET_EFAULT; target_to_host_sigset(&set, p); unlock_user(p, arg2, 0); set_ptr = &set; @@ -9047,7 +9051,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = do_sigprocmask(how, set_ptr, &oldset); if (!is_error(ret) && arg3) { if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) - goto efault; + return -TARGET_EFAULT; host_to_target_sigset(p, &oldset); unlock_user(p, arg3, sizeof(target_sigset_t)); } @@ -9060,7 +9064,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(sigpending(&set)); if (!is_error(ret)) { if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) - goto efault; + return -TARGET_EFAULT; host_to_target_old_sigset(p, &set); unlock_user(p, arg1, sizeof(target_sigset_t)); } @@ -9083,7 +9087,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(sigpending(&set)); if (!is_error(ret)) { if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) - goto efault; + return -TARGET_EFAULT; host_to_target_sigset(p, &set); unlock_user(p, arg1, sizeof(target_sigset_t)); } @@ -9098,7 +9102,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, target_to_host_old_sigset(&ts->sigsuspend_mask, &mask); #else if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) - goto efault; + return -TARGET_EFAULT; target_to_host_old_sigset(&ts->sigsuspend_mask, p); unlock_user(p, arg1, 0); #endif @@ -9118,7 +9122,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, return -TARGET_EINVAL; } if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) - goto efault; + return -TARGET_EFAULT; target_to_host_sigset(&ts->sigsuspend_mask, p); unlock_user(p, arg1, 0); ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask, @@ -9139,7 +9143,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) - goto efault; + return -TARGET_EFAULT; target_to_host_sigset(&set, p); unlock_user(p, arg1, 0); if (arg3) { @@ -9155,7 +9159,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0); if (!p) { - goto efault; + return -TARGET_EFAULT; } host_to_target_siginfo(p, &uinfo); unlock_user(p, arg2, sizeof(target_siginfo_t)); @@ -9170,7 +9174,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1); if (!p) { - goto efault; + return -TARGET_EFAULT; } target_to_host_siginfo(&uinfo, p); unlock_user(p, arg3, 0); @@ -9183,7 +9187,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, p = lock_user(VERIFY_READ, arg4, sizeof(target_siginfo_t), 1); if (!p) { - goto efault; + return -TARGET_EFAULT; } target_to_host_siginfo(&uinfo, p); unlock_user(p, arg4, 0); @@ -9204,7 +9208,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, return do_rt_sigreturn(cpu_env); case TARGET_NR_sethostname: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(sethostname(p, arg2)); unlock_user(p, arg1, 0); return ret; @@ -9215,7 +9219,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, struct target_rlimit *target_rlim; struct rlimit rlim; if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) - goto efault; + return -TARGET_EFAULT; rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur); rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max); unlock_user_struct(target_rlim, arg2, 0); @@ -9232,7 +9236,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(getrlimit(resource, &rlim)); if (!is_error(ret)) { if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) - goto efault; + return -TARGET_EFAULT; target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); unlock_user_struct(target_rlim, arg2, 1); @@ -9255,7 +9259,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(gettimeofday(&tv, NULL)); if (!is_error(ret)) { if (copy_to_user_timeval(arg1, &tv)) - goto efault; + return -TARGET_EFAULT; } } return ret; @@ -9266,14 +9270,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (arg1) { if (copy_from_user_timeval(&tv, arg1)) { - goto efault; + return -TARGET_EFAULT; } ptv = &tv; } if (arg2) { if (copy_from_user_timezone(&tz, arg2)) { - goto efault; + return -TARGET_EFAULT; } ptz = &tz; } @@ -9340,7 +9344,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, */ if (ts_addr) { if (target_to_host_timespec(&ts, ts_addr)) { - goto efault; + return -TARGET_EFAULT; } ts_ptr = &ts; } else { @@ -9354,7 +9358,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1); if (!arg7) { - goto efault; + return -TARGET_EFAULT; } arg_sigset = tswapal(arg7[0]); arg_sigsize = tswapal(arg7[1]); @@ -9370,7 +9374,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, target_sigset = lock_user(VERIFY_READ, arg_sigset, sizeof(*target_sigset), 1); if (!target_sigset) { - goto efault; + return -TARGET_EFAULT; } target_to_host_sigset(&set, target_sigset); unlock_user(target_sigset, arg_sigset, 0); @@ -9386,14 +9390,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (!is_error(ret)) { if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) - goto efault; + return -TARGET_EFAULT; if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) - goto efault; + return -TARGET_EFAULT; if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) - goto efault; + return -TARGET_EFAULT; if (ts_addr && host_to_target_timespec(ts_addr, &ts)) - goto efault; + return -TARGET_EFAULT; } } return ret; @@ -9492,7 +9496,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #ifdef TARGET_NR_swapon case TARGET_NR_swapon: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(swapon(p, arg2)); unlock_user(p, arg1, 0); return ret; @@ -9502,7 +9506,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, /* arg4 must be ignored in all other cases */ p = lock_user_string(arg4); if (!p) { - goto efault; + return -TARGET_EFAULT; } ret = get_errno(reboot(arg1, arg2, arg3, p)); unlock_user(p, arg4, 0); @@ -9524,7 +9528,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, abi_ulong *v; abi_ulong v1, v2, v3, v4, v5, v6; if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) - goto efault; + return -TARGET_EFAULT; v1 = tswapal(v[0]); v2 = tswapal(v[1]); v3 = tswapal(v[2]); @@ -9597,7 +9601,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #ifdef TARGET_NR_truncate case TARGET_NR_truncate: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(truncate(p, arg2)); unlock_user(p, arg1, 0); return ret; @@ -9611,7 +9615,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #if defined(TARGET_NR_fchmodat) case TARGET_NR_fchmodat: if (!(p = lock_user_string(arg2))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(fchmodat(arg1, p, arg3, 0)); unlock_user(p, arg2, 0); return ret; @@ -9640,8 +9644,9 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #endif #ifdef TARGET_NR_statfs case TARGET_NR_statfs: - if (!(p = lock_user_string(arg1))) - goto efault; + if (!(p = lock_user_string(arg1))) { + return -TARGET_EFAULT; + } ret = get_errno(statfs(path(p), &stfs)); unlock_user(p, arg1, 0); convert_statfs: @@ -9649,7 +9654,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, struct target_statfs *target_stfs; if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) - goto efault; + return -TARGET_EFAULT; __put_user(stfs.f_type, &target_stfs->f_type); __put_user(stfs.f_bsize, &target_stfs->f_bsize); __put_user(stfs.f_blocks, &target_stfs->f_blocks); @@ -9678,8 +9683,9 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #endif #ifdef TARGET_NR_statfs64 case TARGET_NR_statfs64: - if (!(p = lock_user_string(arg1))) - goto efault; + if (!(p = lock_user_string(arg1))) { + return -TARGET_EFAULT; + } ret = get_errno(statfs(path(p), &stfs)); unlock_user(p, arg1, 0); convert_statfs64: @@ -9687,7 +9693,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, struct target_statfs64 *target_stfs; if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) - goto efault; + return -TARGET_EFAULT; __put_user(stfs.f_type, &target_stfs->f_type); __put_user(stfs.f_bsize, &target_stfs->f_bsize); __put_user(stfs.f_blocks, &target_stfs->f_blocks); @@ -9785,7 +9791,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, case TARGET_NR_getrandom: p = lock_user(VERIFY_WRITE, arg1, arg2, 0); if (!p) { - goto efault; + return -TARGET_EFAULT; } ret = get_errno(getrandom(p, arg2, arg3)); unlock_user(p, arg1, ret); @@ -9853,7 +9859,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (copy_from_user_timeval(&pvalue->it_interval, arg2) || copy_from_user_timeval(&pvalue->it_value, arg2 + sizeof(struct target_timeval))) - goto efault; + return -TARGET_EFAULT; } else { pvalue = NULL; } @@ -9863,7 +9869,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, &ovalue.it_interval) || copy_to_user_timeval(arg3 + sizeof(struct target_timeval), &ovalue.it_value)) - goto efault; + return -TARGET_EFAULT; } } return ret; @@ -9877,22 +9883,24 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, &value.it_interval) || copy_to_user_timeval(arg2 + sizeof(struct target_timeval), &value.it_value)) - goto efault; + return -TARGET_EFAULT; } } return ret; #ifdef TARGET_NR_stat case TARGET_NR_stat: - if (!(p = lock_user_string(arg1))) - goto efault; + if (!(p = lock_user_string(arg1))) { + return -TARGET_EFAULT; + } ret = get_errno(stat(path(p), &st)); unlock_user(p, arg1, 0); goto do_stat; #endif #ifdef TARGET_NR_lstat case TARGET_NR_lstat: - if (!(p = lock_user_string(arg1))) - goto efault; + if (!(p = lock_user_string(arg1))) { + return -TARGET_EFAULT; + } ret = get_errno(lstat(path(p), &st)); unlock_user(p, arg1, 0); goto do_stat; @@ -9908,7 +9916,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, struct target_stat *target_st; if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) - goto efault; + return -TARGET_EFAULT; memset(target_st, 0, sizeof(*target_st)); __put_user(st.st_dev, &target_st->st_dev); __put_user(st.st_ino, &target_st->st_ino); @@ -9963,7 +9971,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (status_ptr && ret) { status = host_to_target_waitstatus(status); if (put_user_s32(status, status_ptr)) - goto efault; + return -TARGET_EFAULT; } if (target_rusage) { rusage_err = host_to_target_rusage(target_rusage, &rusage); @@ -9977,7 +9985,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #ifdef TARGET_NR_swapoff case TARGET_NR_swapoff: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(swapoff(p)); unlock_user(p, arg1, 0); return ret; @@ -9990,7 +9998,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (!is_error(ret) && arg1) { if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) - goto efault; + return -TARGET_EFAULT; __put_user(value.uptime, &target_value->uptime); __put_user(value.loads[0], &target_value->loads[0]); __put_user(value.loads[1], &target_value->loads[1]); @@ -10084,7 +10092,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #endif case TARGET_NR_setdomainname: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(setdomainname(p, arg2)); unlock_user(p, arg1, 0); return ret; @@ -10094,7 +10102,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, struct new_utsname * buf; if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) - goto efault; + return -TARGET_EFAULT; ret = get_errno(sys_uname(buf)); if (!is_error(ret)) { /* Overwrite the native machine name with whatever is being @@ -10125,12 +10133,12 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, struct timex host_buf; if (target_to_host_timex(&host_buf, arg1) != 0) { - goto efault; + return -TARGET_EFAULT; } ret = get_errno(adjtimex(&host_buf)); if (!is_error(ret)) { if (host_to_target_timex(arg1, &host_buf) != 0) { - goto efault; + return -TARGET_EFAULT; } } } @@ -10141,12 +10149,12 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, struct timex htx, *phtx = &htx; if (target_to_host_timex(phtx, arg2) != 0) { - goto efault; + return -TARGET_EFAULT; } ret = get_errno(clock_adjtime(arg1, phtx)); if (!is_error(ret) && phtx) { if (host_to_target_timex(arg2, phtx) != 0) { - goto efault; + return -TARGET_EFAULT; } } } @@ -10196,7 +10204,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); #endif if ((ret == 0) && put_user_s64(res, arg4)) { - goto efault; + return -TARGET_EFAULT; } } return ret; @@ -10227,7 +10235,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, count1 = 0; de = dirp; if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) - goto efault; + return -TARGET_EFAULT; tde = target_dirp; while (len > 0) { reclen = de->d_reclen; @@ -10255,7 +10263,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, abi_long count = arg3; if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(sys_getdents(arg1, dirp, count)); if (!is_error(ret)) { struct linux_dirent *de; @@ -10284,7 +10292,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, dirp = lock_user(VERIFY_WRITE, arg2, count, 0); if (!dirp) { - goto efault; + return -TARGET_EFAULT; } ret = get_errno(sys_getdents64(arg1, dirp, count)); if (!is_error(ret)) { @@ -10339,7 +10347,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, struct linux_dirent64 *dirp; abi_long count = arg3; if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(sys_getdents64(arg1, dirp, count)); if (!is_error(ret)) { struct linux_dirent64 *de; @@ -10388,7 +10396,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1); if (!target_pfd) { - goto efault; + return -TARGET_EFAULT; } pfd = alloca(sizeof(struct pollfd) * nfds); @@ -10409,7 +10417,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (arg3) { if (target_to_host_timespec(timeout_ts, arg3)) { unlock_user(target_pfd, arg1, 0); - goto efault; + return -TARGET_EFAULT; } } else { timeout_ts = NULL; @@ -10424,7 +10432,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1); if (!target_set) { unlock_user(target_pfd, arg1, 0); - goto efault; + return -TARGET_EFAULT; } target_to_host_sigset(set, target_set); } else { @@ -10579,7 +10587,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } if (host_to_target_cpu_mask(mask, mask_size, arg3, ret)) { - goto efault; + return -TARGET_EFAULT; } } } @@ -10616,10 +10624,10 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, goto fail; } if (arg1 && put_user_u32(cpu, arg1)) { - goto efault; + return -TARGET_EFAULT; } if (arg2 && put_user_u32(node, arg2)) { - goto efault; + return -TARGET_EFAULT; } } return ret; @@ -10632,7 +10640,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, return -TARGET_EINVAL; } if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) - goto efault; + return -TARGET_EFAULT; schp.sched_priority = tswap32(target_schp->sched_priority); unlock_user_struct(target_schp, arg2, 0); return get_errno(sched_setparam(arg1, &schp)); @@ -10648,7 +10656,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(sched_getparam(arg1, &schp)); if (!is_error(ret)) { if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) - goto efault; + return -TARGET_EFAULT; target_schp->sched_priority = tswap32(schp.sched_priority); unlock_user_struct(target_schp, arg2, 1); } @@ -10662,7 +10670,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, return -TARGET_EINVAL; } if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) - goto efault; + return -TARGET_EFAULT; schp.sched_priority = tswap32(target_schp->sched_priority); unlock_user_struct(target_schp, arg3, 0); return get_errno(sched_setscheduler(arg1, arg2, &schp)); @@ -10710,7 +10718,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); if (!is_error(ret) && arg2 && put_user_ual(deathsig, arg2)) { - goto efault; + return -TARGET_EFAULT; } return ret; } @@ -10719,7 +10727,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, { void *name = lock_user(VERIFY_WRITE, arg2, 16, 1); if (!name) { - goto efault; + return -TARGET_EFAULT; } ret = get_errno(prctl(arg1, (unsigned long)name, arg3, arg4, arg5)); @@ -10730,7 +10738,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, { void *name = lock_user(VERIFY_READ, arg2, 16, 1); if (!name) { - goto efault; + return -TARGET_EFAULT; } ret = get_errno(prctl(arg1, (unsigned long)name, arg3, arg4, arg5)); @@ -10797,7 +10805,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, arg5 = arg6; } if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); unlock_user(p, arg2, ret); return ret; @@ -10807,14 +10815,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, arg5 = arg6; } if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); unlock_user(p, arg2, 0); return ret; #endif case TARGET_NR_getcwd: if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(sys_getcwd1(p, arg2)); unlock_user(p, arg1, ret); return ret; @@ -10830,7 +10838,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, int data_items = 1; if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) { - goto efault; + return -TARGET_EFAULT; } header.version = tswap32(target_header->version); header.pid = tswap32(target_header->pid); @@ -10850,7 +10858,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } if (!target_data) { unlock_user_struct(target_header, arg1, 0); - goto efault; + return -TARGET_EFAULT; } if (num == TARGET_NR_capset) { @@ -10968,7 +10976,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (!is_error(ret)) { struct target_rlimit *target_rlim; if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) - goto efault; + return -TARGET_EFAULT; target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); unlock_user_struct(target_rlim, arg2, 1); @@ -10979,7 +10987,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #ifdef TARGET_NR_truncate64 case TARGET_NR_truncate64: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); unlock_user(p, arg1, 0); return ret; @@ -10990,8 +10998,9 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #endif #ifdef TARGET_NR_stat64 case TARGET_NR_stat64: - if (!(p = lock_user_string(arg1))) - goto efault; + if (!(p = lock_user_string(arg1))) { + return -TARGET_EFAULT; + } ret = get_errno(stat(path(p), &st)); unlock_user(p, arg1, 0); if (!is_error(ret)) @@ -11000,8 +11009,9 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #endif #ifdef TARGET_NR_lstat64 case TARGET_NR_lstat64: - if (!(p = lock_user_string(arg1))) - goto efault; + if (!(p = lock_user_string(arg1))) { + return -TARGET_EFAULT; + } ret = get_errno(lstat(path(p), &st)); unlock_user(p, arg1, 0); if (!is_error(ret)) @@ -11022,9 +11032,11 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #ifdef TARGET_NR_newfstatat case TARGET_NR_newfstatat: #endif - if (!(p = lock_user_string(arg2))) - goto efault; + if (!(p = lock_user_string(arg2))) { + return -TARGET_EFAULT; + } ret = get_errno(fstatat(arg1, path(p), &st, arg4)); + unlock_user(p, arg2, 0); if (!is_error(ret)) ret = host_to_target_stat64(cpu_env, arg3, &st); return ret; @@ -11032,7 +11044,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #ifdef TARGET_NR_lchown case TARGET_NR_lchown: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); unlock_user(p, arg1, 0); return ret; @@ -11071,7 +11083,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (!is_error(ret)) { target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0); if (!target_grouplist) - goto efault; + return -TARGET_EFAULT; for(i = 0;i < ret; i++) target_grouplist[i] = tswapid(high2lowgid(grouplist[i])); unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id)); @@ -11103,7 +11115,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #if defined(TARGET_NR_fchownat) case TARGET_NR_fchownat: if (!(p = lock_user_string(arg2))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5)); unlock_user(p, arg2, 0); @@ -11124,7 +11136,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (put_user_id(high2lowuid(ruid), arg1) || put_user_id(high2lowuid(euid), arg2) || put_user_id(high2lowuid(suid), arg3)) - goto efault; + return -TARGET_EFAULT; } } return ret; @@ -11144,7 +11156,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (put_user_id(high2lowgid(rgid), arg1) || put_user_id(high2lowgid(egid), arg2) || put_user_id(high2lowgid(sgid), arg3)) - goto efault; + return -TARGET_EFAULT; } } return ret; @@ -11152,7 +11164,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #ifdef TARGET_NR_chown case TARGET_NR_chown: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); unlock_user(p, arg1, 0); return ret; @@ -11169,7 +11181,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #ifdef TARGET_NR_lchown32 case TARGET_NR_lchown32: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(lchown(p, arg2, arg3)); unlock_user(p, arg1, 0); return ret; @@ -11220,7 +11232,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO; if (put_user_u64 (swcr, arg2)) - goto efault; + return -TARGET_EFAULT; ret = 0; } break; @@ -11247,7 +11259,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, uint64_t swcr, fpcr, orig_fpcr; if (get_user_u64 (swcr, arg2)) { - goto efault; + return -TARGET_EFAULT; } orig_fpcr = cpu_alpha_load_fpcr(cpu_env); fpcr = orig_fpcr & FPCR_DYN_MASK; @@ -11274,7 +11286,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, int si_code; if (get_user_u64(exc, arg2)) { - goto efault; + return -TARGET_EFAULT; } orig_fpcr = cpu_alpha_load_fpcr(cpu_env); @@ -11443,7 +11455,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (put_user_u32(ruid, arg1) || put_user_u32(euid, arg2) || put_user_u32(suid, arg3)) - goto efault; + return -TARGET_EFAULT; } } return ret; @@ -11461,7 +11473,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (put_user_u32(rgid, arg1) || put_user_u32(egid, arg2) || put_user_u32(sgid, arg3)) - goto efault; + return -TARGET_EFAULT; } } return ret; @@ -11469,7 +11481,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, #ifdef TARGET_NR_chown32 case TARGET_NR_chown32: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(chown(p, arg2, arg3)); unlock_user(p, arg1, 0); return ret; @@ -12032,13 +12044,13 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, pposix_mq_attr = NULL; if (arg4) { if (copy_from_user_mq_attr(&posix_mq_attr, arg4) != 0) { - goto efault; + return -TARGET_EFAULT; } pposix_mq_attr = &posix_mq_attr; } p = lock_user_string(arg1 - 1); if (!p) { - goto efault; + return -TARGET_EFAULT; } ret = get_errno(mq_open(p, host_flags, arg3, pposix_mq_attr)); unlock_user (p, arg1, 0); @@ -12128,25 +12140,25 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, loff_t *ploff_in = NULL, *ploff_out = NULL; if (arg2) { if (get_user_u64(loff_in, arg2)) { - goto efault; + return -TARGET_EFAULT; } ploff_in = &loff_in; } if (arg4) { if (get_user_u64(loff_out, arg4)) { - goto efault; + return -TARGET_EFAULT; } ploff_out = &loff_out; } ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6)); if (arg2) { if (put_user_u64(loff_in, arg2)) { - goto efault; + return -TARGET_EFAULT; } } if (arg4) { if (put_user_u64(loff_out, arg4)) { - goto efault; + return -TARGET_EFAULT; } } } @@ -12256,7 +12268,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (arg4) { struct target_epoll_event *target_ep; if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) { - goto efault; + return -TARGET_EFAULT; } ep.events = tswap32(target_ep->events); /* The epoll_data_t union is just opaque data to the kernel, @@ -12292,7 +12304,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, target_ep = lock_user(VERIFY_WRITE, arg2, maxevents * sizeof(struct target_epoll_event), 1); if (!target_ep) { - goto efault; + return -TARGET_EFAULT; } ep = g_try_new(struct epoll_event, maxevents); @@ -12365,7 +12377,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, int resource = target_to_host_resource(arg2); if (arg3) { if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) { - goto efault; + return -TARGET_EFAULT; } rnew.rlim_cur = tswap64(target_rnew->rlim_cur); rnew.rlim_max = tswap64(target_rnew->rlim_max); @@ -12376,7 +12388,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0)); if (!is_error(ret) && arg4) { if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) { - goto efault; + return -TARGET_EFAULT; } target_rold->rlim_cur = tswap64(rold.rlim_cur); target_rold->rlim_max = tswap64(rold.rlim_max); @@ -12454,7 +12466,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, phtimer = NULL; } else { if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) { - goto efault; + return -TARGET_EFAULT; } } } @@ -12478,12 +12490,12 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, struct itimerspec hspec_new = {{0},}, hspec_old = {{0},}; if (target_to_host_itimerspec(&hspec_new, arg3)) { - goto efault; + return -TARGET_EFAULT; } ret = get_errno( timer_settime(htimer, arg2, &hspec_new, &hspec_old)); if (arg4 && host_to_target_itimerspec(arg4, &hspec_old)) { - goto efault; + return -TARGET_EFAULT; } } return ret; @@ -12561,7 +12573,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(timerfd_gettime(arg1, &its_curr)); if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) { - goto efault; + return -TARGET_EFAULT; } } return ret; @@ -12574,7 +12586,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, if (arg3) { if (target_to_host_itimerspec(&its_new, arg3)) { - goto efault; + return -TARGET_EFAULT; } p_new = &its_new; } else { @@ -12584,7 +12596,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old)); if (arg4 && host_to_target_itimerspec(arg4, &its_old)) { - goto efault; + return -TARGET_EFAULT; } } return ret; @@ -12628,9 +12640,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, } fail: return ret; -efault: - ret = -TARGET_EFAULT; - goto fail; } abi_long do_syscall(void *cpu_env, int num, abi_long arg1,