From patchwork Mon Oct 10 23:06:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Jason A. Donenfeld" X-Patchwork-Id: 615418 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3D266C38A06 for ; Mon, 10 Oct 2022 23:10:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230244AbiJJXKP (ORCPT ); Mon, 10 Oct 2022 19:10:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53102 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230035AbiJJXJ2 (ORCPT ); Mon, 10 Oct 2022 19:09:28 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2186D7A74A; Mon, 10 Oct 2022 16:08:33 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 4BFC961049; Mon, 10 Oct 2022 23:08:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3D925C433D6; Mon, 10 Oct 2022 23:08:07 +0000 (UTC) Authentication-Results: smtp.kernel.org; dkim=pass (1024-bit key) header.d=zx2c4.com header.i=@zx2c4.com header.b="n/DVf6Pi" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zx2c4.com; s=20210105; t=1665443285; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=sd+hvkfg7FmInCyhwT+I7uBPmttIP2iv9p0pnzmPTLI=; b=n/DVf6PiolCdkWl8W8vjKsl/n4VjRwTQq1OlImc66+52X7WXDpirG3UffK4JsNf33sUZPH MaNZGg2WctA/okxO4xVr1Ua+72Gp7uvDHbVWhytE9jvuIBmAlXhHV6+nmRRHMTLjBMR0iu 0JFpJ1NxzGDD/04MeeG5eICrvVNsdsc= Received: by mail.zx2c4.com (ZX2C4 Mail Server) with ESMTPSA id 5394c6e1 (TLSv1.3:TLS_AES_256_GCM_SHA384:256:NO); Mon, 10 Oct 2022 23:08:04 +0000 (UTC) From: "Jason A. Donenfeld" To: linux-kernel@vger.kernel.org, patches@lists.linux.dev Cc: "Jason A. Donenfeld" , Andreas Noever , Andrew Morton , Andy Shevchenko , Borislav Petkov , Catalin Marinas , =?utf-8?q?Christoph_B=C3=B6hmwalder?= , Christoph Hellwig , Christophe Leroy , Daniel Borkmann , Dave Airlie , Dave Hansen , "David S . Miller" , Eric Dumazet , Florian Westphal , Greg Kroah-Hartman , "H . Peter Anvin" , Heiko Carstens , Helge Deller , Herbert Xu , Huacai Chen , Hugh Dickins , Jakub Kicinski , "James E . J . Bottomley" , Jan Kara , Jason Gunthorpe , Jens Axboe , Johannes Berg , Jonathan Corbet , Jozsef Kadlecsik , KP Singh , Kees Cook , Marco Elver , Mauro Carvalho Chehab , Michael Ellerman , Pablo Neira Ayuso , Paolo Abeni , Peter Zijlstra , Richard Weinberger , Russell King , Theodore Ts'o , Thomas Bogendoerfer , Thomas Gleixner , Thomas Graf , Ulf Hansson , Vignesh Raghavendra , WANG Xuerui , Will Deacon , Yury Norov , dri-devel@lists.freedesktop.org, kasan-dev@googlegroups.com, kernel-janitors@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-block@vger.kernel.org, linux-crypto@vger.kernel.org, linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-media@vger.kernel.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, linux-nvme@lists.infradead.org, linux-parisc@vger.kernel.org, linux-rdma@vger.kernel.org, linux-s390@vger.kernel.org, linux-um@lists.infradead.org, linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, netdev@vger.kernel.org, sparclinux@vger.kernel.org, x86@kernel.org, =?utf-8?q?Toke_H=C3=B8iland-J=C3=B8rgensen?= , Chuck Lever , Jan Kara , Mika Westerberg , "Darrick J . Wong" Subject: [PATCH v6 5/7] treewide: use get_random_u32() when possible Date: Mon, 10 Oct 2022 17:06:11 -0600 Message-Id: <20221010230613.1076905-6-Jason@zx2c4.com> In-Reply-To: <20221010230613.1076905-1-Jason@zx2c4.com> References: <20221010230613.1076905-1-Jason@zx2c4.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org The prandom_u32() function has been a deprecated inline wrapper around get_random_u32() for several releases now, and compiles down to the exact same code. Replace the deprecated wrapper with a direct call to the real function. The same also applies to get_random_int(), which is just a wrapper around get_random_u32(). This was done as a basic find and replace. Reviewed-by: Greg Kroah-Hartman Reviewed-by: Kees Cook Reviewed-by: Yury Norov Acked-by: Toke Høiland-Jørgensen # for sch_cake Acked-by: Chuck Lever # for nfsd Reviewed-by: Jan Kara # for ext4 Acked-by: Mika Westerberg # for thunderbolt Acked-by: Darrick J. Wong # for xfs Signed-off-by: Jason A. Donenfeld --- Documentation/networking/filter.rst | 2 +- arch/parisc/kernel/process.c | 2 +- arch/parisc/kernel/sys_parisc.c | 4 ++-- arch/s390/mm/mmap.c | 2 +- arch/x86/kernel/cpu/amd.c | 2 +- drivers/gpu/drm/i915/i915_gem_gtt.c | 6 +++--- drivers/gpu/drm/i915/selftests/i915_selftest.c | 2 +- drivers/gpu/drm/tests/drm_buddy_test.c | 2 +- drivers/gpu/drm/tests/drm_mm_test.c | 2 +- drivers/infiniband/hw/cxgb4/cm.c | 4 ++-- drivers/infiniband/hw/hfi1/tid_rdma.c | 2 +- drivers/infiniband/hw/mlx4/mad.c | 2 +- drivers/infiniband/ulp/ipoib/ipoib_cm.c | 2 +- drivers/md/raid5-cache.c | 2 +- .../media/test-drivers/vivid/vivid-touch-cap.c | 4 ++-- drivers/misc/habanalabs/gaudi2/gaudi2.c | 2 +- drivers/net/bonding/bond_main.c | 2 +- drivers/net/ethernet/broadcom/cnic.c | 2 +- .../chelsio/inline_crypto/chtls/chtls_cm.c | 2 +- drivers/net/ethernet/rocker/rocker_main.c | 6 +++--- .../wireless/broadcom/brcm80211/brcmfmac/pno.c | 2 +- .../net/wireless/marvell/mwifiex/cfg80211.c | 4 ++-- .../net/wireless/microchip/wilc1000/cfg80211.c | 2 +- .../net/wireless/quantenna/qtnfmac/cfg80211.c | 2 +- drivers/net/wireless/ti/wlcore/main.c | 2 +- drivers/nvme/common/auth.c | 2 +- drivers/scsi/cxgbi/cxgb4i/cxgb4i.c | 4 ++-- drivers/target/iscsi/cxgbit/cxgbit_cm.c | 2 +- drivers/thunderbolt/xdomain.c | 2 +- drivers/video/fbdev/uvesafb.c | 2 +- fs/exfat/inode.c | 2 +- fs/ext4/ialloc.c | 2 +- fs/ext4/ioctl.c | 4 ++-- fs/ext4/mmp.c | 2 +- fs/f2fs/namei.c | 2 +- fs/fat/inode.c | 2 +- fs/nfsd/nfs4state.c | 4 ++-- fs/ntfs3/fslog.c | 6 +++--- fs/ubifs/journal.c | 2 +- fs/xfs/libxfs/xfs_ialloc.c | 2 +- fs/xfs/xfs_icache.c | 2 +- fs/xfs/xfs_log.c | 2 +- include/net/netfilter/nf_queue.h | 2 +- include/net/red.h | 2 +- include/net/sock.h | 2 +- kernel/bpf/bloom_filter.c | 2 +- kernel/bpf/core.c | 2 +- kernel/bpf/hashtab.c | 2 +- kernel/bpf/verifier.c | 2 +- kernel/kcsan/selftest.c | 2 +- lib/random32.c | 2 +- lib/reed_solomon/test_rslib.c | 6 +++--- lib/test_fprobe.c | 2 +- lib/test_kprobes.c | 2 +- lib/test_min_heap.c | 6 +++--- lib/test_rhashtable.c | 6 +++--- mm/shmem.c | 2 +- mm/slab.c | 2 +- net/core/pktgen.c | 4 ++-- net/ipv4/route.c | 2 +- net/ipv4/tcp_cdg.c | 2 +- net/ipv4/udp.c | 2 +- net/ipv6/ip6_flowlabel.c | 2 +- net/ipv6/output_core.c | 2 +- net/netfilter/ipvs/ip_vs_conn.c | 2 +- net/netfilter/xt_statistic.c | 2 +- net/openvswitch/actions.c | 2 +- net/sched/sch_cake.c | 2 +- net/sched/sch_netem.c | 18 +++++++++--------- net/sunrpc/auth_gss/gss_krb5_wrap.c | 4 ++-- net/sunrpc/xprt.c | 2 +- net/unix/af_unix.c | 2 +- 72 files changed, 101 insertions(+), 101 deletions(-) diff --git a/Documentation/networking/filter.rst b/Documentation/networking/filter.rst index 43cdc4d34745..f69da5074860 100644 --- a/Documentation/networking/filter.rst +++ b/Documentation/networking/filter.rst @@ -305,7 +305,7 @@ Possible BPF extensions are shown in the following table: vlan_tci skb_vlan_tag_get(skb) vlan_avail skb_vlan_tag_present(skb) vlan_tpid skb->vlan_proto - rand prandom_u32() + rand get_random_u32() =================================== ================================================= These extensions can also be prefixed with '#'. diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c index 7c37e09c92da..18c4f0e3e906 100644 --- a/arch/parisc/kernel/process.c +++ b/arch/parisc/kernel/process.c @@ -288,7 +288,7 @@ __get_wchan(struct task_struct *p) static inline unsigned long brk_rnd(void) { - return (get_random_int() & BRK_RND_MASK) << PAGE_SHIFT; + return (get_random_u32() & BRK_RND_MASK) << PAGE_SHIFT; } unsigned long arch_randomize_brk(struct mm_struct *mm) diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c index 2b34294517a1..848b0702005d 100644 --- a/arch/parisc/kernel/sys_parisc.c +++ b/arch/parisc/kernel/sys_parisc.c @@ -239,14 +239,14 @@ static unsigned long mmap_rnd(void) unsigned long rnd = 0; if (current->flags & PF_RANDOMIZE) - rnd = get_random_int() & MMAP_RND_MASK; + rnd = get_random_u32() & MMAP_RND_MASK; return rnd << PAGE_SHIFT; } unsigned long arch_mmap_rnd(void) { - return (get_random_int() & MMAP_RND_MASK) << PAGE_SHIFT; + return (get_random_u32() & MMAP_RND_MASK) << PAGE_SHIFT; } static unsigned long mmap_legacy_base(void) diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c index 5980ce348832..3327c47bc181 100644 --- a/arch/s390/mm/mmap.c +++ b/arch/s390/mm/mmap.c @@ -37,7 +37,7 @@ static inline int mmap_is_legacy(struct rlimit *rlim_stack) unsigned long arch_mmap_rnd(void) { - return (get_random_int() & MMAP_RND_MASK) << PAGE_SHIFT; + return (get_random_u32() & MMAP_RND_MASK) << PAGE_SHIFT; } static unsigned long mmap_base_legacy(unsigned long rnd) diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 48276c0e479d..860b60273df3 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -503,7 +503,7 @@ static void bsp_init_amd(struct cpuinfo_x86 *c) va_align.flags = ALIGN_VA_32 | ALIGN_VA_64; /* A random value per boot for bit slice [12:upper_bit) */ - va_align.bits = get_random_int() & va_align.mask; + va_align.bits = get_random_u32() & va_align.mask; } if (cpu_has(c, X86_FEATURE_MWAITX)) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 329ff75b80b9..7bd1861ddbdf 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -137,12 +137,12 @@ static u64 random_offset(u64 start, u64 end, u64 len, u64 align) range = round_down(end - len, align) - round_up(start, align); if (range) { if (sizeof(unsigned long) == sizeof(u64)) { - addr = get_random_long(); + addr = get_random_u64(); } else { - addr = get_random_int(); + addr = get_random_u32(); if (range > U32_MAX) { addr <<= 32; - addr |= get_random_int(); + addr |= get_random_u32(); } } div64_u64_rem(addr, range, &addr); diff --git a/drivers/gpu/drm/i915/selftests/i915_selftest.c b/drivers/gpu/drm/i915/selftests/i915_selftest.c index c4e932368b37..39da0fb0d6d2 100644 --- a/drivers/gpu/drm/i915/selftests/i915_selftest.c +++ b/drivers/gpu/drm/i915/selftests/i915_selftest.c @@ -135,7 +135,7 @@ static int __run_selftests(const char *name, int err = 0; while (!i915_selftest.random_seed) - i915_selftest.random_seed = get_random_int(); + i915_selftest.random_seed = get_random_u32(); i915_selftest.timeout_jiffies = i915_selftest.timeout_ms ? diff --git a/drivers/gpu/drm/tests/drm_buddy_test.c b/drivers/gpu/drm/tests/drm_buddy_test.c index 7a2b2d6bc3fe..62f69589a72d 100644 --- a/drivers/gpu/drm/tests/drm_buddy_test.c +++ b/drivers/gpu/drm/tests/drm_buddy_test.c @@ -729,7 +729,7 @@ static void drm_test_buddy_alloc_limit(struct kunit *test) static int drm_buddy_init_test(struct kunit *test) { while (!random_seed) - random_seed = get_random_int(); + random_seed = get_random_u32(); return 0; } diff --git a/drivers/gpu/drm/tests/drm_mm_test.c b/drivers/gpu/drm/tests/drm_mm_test.c index 659d1af4dca7..c4b66eeae203 100644 --- a/drivers/gpu/drm/tests/drm_mm_test.c +++ b/drivers/gpu/drm/tests/drm_mm_test.c @@ -2212,7 +2212,7 @@ static void drm_test_mm_color_evict_range(struct kunit *test) static int drm_mm_init_test(struct kunit *test) { while (!random_seed) - random_seed = get_random_int(); + random_seed = get_random_u32(); return 0; } diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 14392c942f49..499a425a3379 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -734,7 +734,7 @@ static int send_connect(struct c4iw_ep *ep) &ep->com.remote_addr; int ret; enum chip_type adapter_type = ep->com.dev->rdev.lldi.adapter_type; - u32 isn = (prandom_u32() & ~7UL) - 1; + u32 isn = (get_random_u32() & ~7UL) - 1; struct net_device *netdev; u64 params; @@ -2469,7 +2469,7 @@ static int accept_cr(struct c4iw_ep *ep, struct sk_buff *skb, } if (!is_t4(adapter_type)) { - u32 isn = (prandom_u32() & ~7UL) - 1; + u32 isn = (get_random_u32() & ~7UL) - 1; skb = get_skb(skb, roundup(sizeof(*rpl5), 16), GFP_KERNEL); rpl5 = __skb_put_zero(skb, roundup(sizeof(*rpl5), 16)); diff --git a/drivers/infiniband/hw/hfi1/tid_rdma.c b/drivers/infiniband/hw/hfi1/tid_rdma.c index 2a7abf7a1f7f..18b05ffb415a 100644 --- a/drivers/infiniband/hw/hfi1/tid_rdma.c +++ b/drivers/infiniband/hw/hfi1/tid_rdma.c @@ -850,7 +850,7 @@ void hfi1_kern_init_ctxt_generations(struct hfi1_ctxtdata *rcd) int i; for (i = 0; i < RXE_NUM_TID_FLOWS; i++) { - rcd->flows[i].generation = mask_generation(prandom_u32()); + rcd->flows[i].generation = mask_generation(get_random_u32()); kern_set_hw_flow(rcd, KERN_GENERATION_RESERVED, i); } } diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c index d13ecbdd4391..a37cfac5e23f 100644 --- a/drivers/infiniband/hw/mlx4/mad.c +++ b/drivers/infiniband/hw/mlx4/mad.c @@ -96,7 +96,7 @@ static void __propagate_pkey_ev(struct mlx4_ib_dev *dev, int port_num, __be64 mlx4_ib_gen_node_guid(void) { #define NODE_GUID_HI ((u64) (((u64)IB_OPENIB_OUI) << 40)) - return cpu_to_be64(NODE_GUID_HI | prandom_u32()); + return cpu_to_be64(NODE_GUID_HI | get_random_u32()); } __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index ebb35b809f26..b610d36295bb 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -465,7 +465,7 @@ static int ipoib_cm_req_handler(struct ib_cm_id *cm_id, goto err_qp; } - psn = prandom_u32() & 0xffffff; + psn = get_random_u32() & 0xffffff; ret = ipoib_cm_modify_rx_qp(dev, cm_id, p->qp, psn); if (ret) goto err_modify; diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c index 79c73330020b..832d8566e165 100644 --- a/drivers/md/raid5-cache.c +++ b/drivers/md/raid5-cache.c @@ -2994,7 +2994,7 @@ static int r5l_load_log(struct r5l_log *log) } create: if (create_super) { - log->last_cp_seq = prandom_u32(); + log->last_cp_seq = get_random_u32(); cp = 0; r5l_log_write_empty_meta_block(log, cp, log->last_cp_seq); /* diff --git a/drivers/media/test-drivers/vivid/vivid-touch-cap.c b/drivers/media/test-drivers/vivid/vivid-touch-cap.c index 792660a85bc1..6cc32eb54f9d 100644 --- a/drivers/media/test-drivers/vivid/vivid-touch-cap.c +++ b/drivers/media/test-drivers/vivid/vivid-touch-cap.c @@ -210,7 +210,7 @@ static void vivid_fill_buff_noise(__s16 *tch_buf, int size) /* Fill 10% of the values within range -3 and 3, zero the others */ for (i = 0; i < size; i++) { - unsigned int rand = get_random_int(); + unsigned int rand = get_random_u32(); if (rand % 10) tch_buf[i] = 0; @@ -272,7 +272,7 @@ void vivid_fillbuff_tch(struct vivid_dev *dev, struct vivid_buffer *buf) return; if (test_pat_idx == 0) - dev->tch_pat_random = get_random_int(); + dev->tch_pat_random = get_random_u32(); rand = dev->tch_pat_random; switch (test_pattern) { diff --git a/drivers/misc/habanalabs/gaudi2/gaudi2.c b/drivers/misc/habanalabs/gaudi2/gaudi2.c index 75c4bef7841c..65e6cae6100a 100644 --- a/drivers/misc/habanalabs/gaudi2/gaudi2.c +++ b/drivers/misc/habanalabs/gaudi2/gaudi2.c @@ -2948,7 +2948,7 @@ static void gaudi2_user_interrupt_setup(struct hl_device *hdev) static inline int gaudi2_get_non_zero_random_int(void) { - int rand = get_random_int(); + int rand = get_random_u32(); return rand ? rand : 1; } diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 24bb50dfd362..e84c49bf4d0c 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -4806,7 +4806,7 @@ static u32 bond_rr_gen_slave_id(struct bonding *bond) switch (packets_per_slave) { case 0: - slave_id = prandom_u32(); + slave_id = get_random_u32(); break; case 1: slave_id = this_cpu_inc_return(*bond->rr_tx_counter); diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c index f597b313acaa..2198e35d9e18 100644 --- a/drivers/net/ethernet/broadcom/cnic.c +++ b/drivers/net/ethernet/broadcom/cnic.c @@ -4164,7 +4164,7 @@ static int cnic_cm_init_bnx2_hw(struct cnic_dev *dev) { u32 seed; - seed = prandom_u32(); + seed = get_random_u32(); cnic_ctx_wr(dev, 45, 0, seed); return 0; } diff --git a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c index eda129d0143e..c2e7037c7ba1 100644 --- a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c +++ b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c @@ -1063,7 +1063,7 @@ static void chtls_pass_accept_rpl(struct sk_buff *skb, opt2 |= WND_SCALE_EN_V(WSCALE_OK(tp)); rpl5->opt0 = cpu_to_be64(opt0); rpl5->opt2 = cpu_to_be32(opt2); - rpl5->iss = cpu_to_be32((prandom_u32() & ~7UL) - 1); + rpl5->iss = cpu_to_be32((get_random_u32() & ~7UL) - 1); set_wr_txq(skb, CPL_PRIORITY_SETUP, csk->port_id); t4_set_arp_err_handler(skb, sk, chtls_accept_rpl_arp_failure); cxgb4_l2t_send(csk->egress_dev, skb, csk->l2t_entry); diff --git a/drivers/net/ethernet/rocker/rocker_main.c b/drivers/net/ethernet/rocker/rocker_main.c index 023682cd2768..5672d952452f 100644 --- a/drivers/net/ethernet/rocker/rocker_main.c +++ b/drivers/net/ethernet/rocker/rocker_main.c @@ -129,7 +129,7 @@ static int rocker_reg_test(const struct rocker *rocker) u64 test_reg; u64 rnd; - rnd = prandom_u32(); + rnd = get_random_u32(); rnd >>= 1; rocker_write32(rocker, TEST_REG, rnd); test_reg = rocker_read32(rocker, TEST_REG); @@ -139,9 +139,9 @@ static int rocker_reg_test(const struct rocker *rocker) return -EIO; } - rnd = prandom_u32(); + rnd = get_random_u32(); rnd <<= 31; - rnd |= prandom_u32(); + rnd |= get_random_u32(); rocker_write64(rocker, TEST_REG64, rnd); test_reg = rocker_read64(rocker, TEST_REG64); if (test_reg != rnd * 2) { diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c index d0a7465be586..3a7aded30e8e 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c @@ -177,7 +177,7 @@ static int brcmf_pno_set_random(struct brcmf_if *ifp, struct brcmf_pno_info *pi) memcpy(pfn_mac.mac, mac_addr, ETH_ALEN); for (i = 0; i < ETH_ALEN; i++) { pfn_mac.mac[i] &= mac_mask[i]; - pfn_mac.mac[i] |= get_random_int() & ~(mac_mask[i]); + pfn_mac.mac[i] |= get_random_u32() & ~(mac_mask[i]); } /* Clear multi bit */ pfn_mac.mac[0] &= 0xFE; diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c index 535995e8279f..bcd564dc3554 100644 --- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c +++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c @@ -239,7 +239,7 @@ mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, tx_info->pkt_len = pkt_len; mwifiex_form_mgmt_frame(skb, buf, len); - *cookie = prandom_u32() | 1; + *cookie = get_random_u32() | 1; if (ieee80211_is_action(mgmt->frame_control)) skb = mwifiex_clone_skb_for_tx_status(priv, @@ -303,7 +303,7 @@ mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy, duration); if (!ret) { - *cookie = prandom_u32() | 1; + *cookie = get_random_u32() | 1; priv->roc_cfg.cookie = *cookie; priv->roc_cfg.chan = *chan; diff --git a/drivers/net/wireless/microchip/wilc1000/cfg80211.c b/drivers/net/wireless/microchip/wilc1000/cfg80211.c index b89047965e78..9bbfff803357 100644 --- a/drivers/net/wireless/microchip/wilc1000/cfg80211.c +++ b/drivers/net/wireless/microchip/wilc1000/cfg80211.c @@ -1161,7 +1161,7 @@ static int mgmt_tx(struct wiphy *wiphy, const u8 *vendor_ie; int ret = 0; - *cookie = prandom_u32(); + *cookie = get_random_u32(); priv->tx_cookie = *cookie; mgmt = (const struct ieee80211_mgmt *)buf; diff --git a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c index bfdf03bfa6c5..73e6f9408b51 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c +++ b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c @@ -449,7 +449,7 @@ qtnf_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, { struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev); const struct ieee80211_mgmt *mgmt_frame = (void *)params->buf; - u32 short_cookie = prandom_u32(); + u32 short_cookie = get_random_u32(); u16 flags = 0; u16 freq; diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 3e3922d4c788..28c0f06e311f 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -6100,7 +6100,7 @@ static int wl1271_register_hw(struct wl1271 *wl) wl1271_warning("Fuse mac address is zero. using random mac"); /* Use TI oui and a random nic */ oui_addr = WLCORE_TI_OUI_ADDRESS; - nic_addr = get_random_int(); + nic_addr = get_random_u32(); } else { oui_addr = wl->fuse_oui_addr; /* fuse has the BD_ADDR, the WLAN addresses are the next two */ diff --git a/drivers/nvme/common/auth.c b/drivers/nvme/common/auth.c index 04bd28f17dcc..d90e4f0c08b7 100644 --- a/drivers/nvme/common/auth.c +++ b/drivers/nvme/common/auth.c @@ -23,7 +23,7 @@ u32 nvme_auth_get_seqnum(void) mutex_lock(&nvme_dhchap_mutex); if (!nvme_dhchap_seqnum) - nvme_dhchap_seqnum = prandom_u32(); + nvme_dhchap_seqnum = get_random_u32(); else { nvme_dhchap_seqnum++; if (!nvme_dhchap_seqnum) diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c index 53d91bf9c12a..c07d2e3b4bcf 100644 --- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c +++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c @@ -254,7 +254,7 @@ static void send_act_open_req(struct cxgbi_sock *csk, struct sk_buff *skb, } else if (is_t5(lldi->adapter_type)) { struct cpl_t5_act_open_req *req = (struct cpl_t5_act_open_req *)skb->head; - u32 isn = (prandom_u32() & ~7UL) - 1; + u32 isn = (get_random_u32() & ~7UL) - 1; INIT_TP_WR(req, 0); OPCODE_TID(req) = cpu_to_be32(MK_OPCODE_TID(CPL_ACT_OPEN_REQ, @@ -282,7 +282,7 @@ static void send_act_open_req(struct cxgbi_sock *csk, struct sk_buff *skb, } else { struct cpl_t6_act_open_req *req = (struct cpl_t6_act_open_req *)skb->head; - u32 isn = (prandom_u32() & ~7UL) - 1; + u32 isn = (get_random_u32() & ~7UL) - 1; INIT_TP_WR(req, 0); OPCODE_TID(req) = cpu_to_be32(MK_OPCODE_TID(CPL_ACT_OPEN_REQ, diff --git a/drivers/target/iscsi/cxgbit/cxgbit_cm.c b/drivers/target/iscsi/cxgbit/cxgbit_cm.c index 3336d2b78bf7..d9204c590d9a 100644 --- a/drivers/target/iscsi/cxgbit/cxgbit_cm.c +++ b/drivers/target/iscsi/cxgbit/cxgbit_cm.c @@ -1202,7 +1202,7 @@ cxgbit_pass_accept_rpl(struct cxgbit_sock *csk, struct cpl_pass_accept_req *req) opt2 |= CONG_CNTRL_V(CONG_ALG_NEWRENO); opt2 |= T5_ISS_F; - rpl5->iss = cpu_to_be32((prandom_u32() & ~7UL) - 1); + rpl5->iss = cpu_to_be32((get_random_u32() & ~7UL) - 1); opt2 |= T5_OPT_2_VALID_F; diff --git a/drivers/thunderbolt/xdomain.c b/drivers/thunderbolt/xdomain.c index bbb248a2686f..f00b2f62d8e3 100644 --- a/drivers/thunderbolt/xdomain.c +++ b/drivers/thunderbolt/xdomain.c @@ -2437,7 +2437,7 @@ int tb_xdomain_init(void) tb_property_add_immediate(xdomain_property_dir, "deviceid", 0x1); tb_property_add_immediate(xdomain_property_dir, "devicerv", 0x80000100); - xdomain_property_block_gen = prandom_u32(); + xdomain_property_block_gen = get_random_u32(); return 0; } diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c index 4df6772802d7..285b83c20326 100644 --- a/drivers/video/fbdev/uvesafb.c +++ b/drivers/video/fbdev/uvesafb.c @@ -167,7 +167,7 @@ static int uvesafb_exec(struct uvesafb_ktask *task) memcpy(&m->id, &uvesafb_cn_id, sizeof(m->id)); m->seq = seq; m->len = len; - m->ack = prandom_u32(); + m->ack = get_random_u32(); /* uvesafb_task structure */ memcpy(m + 1, &task->t, sizeof(task->t)); diff --git a/fs/exfat/inode.c b/fs/exfat/inode.c index a795437b86d0..5590a1e83126 100644 --- a/fs/exfat/inode.c +++ b/fs/exfat/inode.c @@ -552,7 +552,7 @@ static int exfat_fill_inode(struct inode *inode, struct exfat_dir_entry *info) inode->i_uid = sbi->options.fs_uid; inode->i_gid = sbi->options.fs_gid; inode_inc_iversion(inode); - inode->i_generation = prandom_u32(); + inode->i_generation = get_random_u32(); if (info->attr & ATTR_SUBDIR) { /* directory */ inode->i_generation &= ~1; diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 7575aa359675..e9bc46684106 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -1279,7 +1279,7 @@ struct inode *__ext4_new_inode(struct user_namespace *mnt_userns, EXT4_GROUP_INFO_IBITMAP_CORRUPT); goto out; } - inode->i_generation = prandom_u32(); + inode->i_generation = get_random_u32(); /* Precompute checksum seed for inode metadata */ if (ext4_has_metadata_csum(sb)) { diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 4d49c5cfb690..ded535535b27 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -454,8 +454,8 @@ static long swap_inode_boot_loader(struct super_block *sb, inode->i_ctime = inode_bl->i_ctime = current_time(inode); inode_inc_iversion(inode); - inode->i_generation = prandom_u32(); - inode_bl->i_generation = prandom_u32(); + inode->i_generation = get_random_u32(); + inode_bl->i_generation = get_random_u32(); ext4_reset_inode_seed(inode); ext4_reset_inode_seed(inode_bl); diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c index 9af68a7ecdcf..588cb09c5291 100644 --- a/fs/ext4/mmp.c +++ b/fs/ext4/mmp.c @@ -265,7 +265,7 @@ static unsigned int mmp_new_seq(void) u32 new_seq; do { - new_seq = prandom_u32(); + new_seq = get_random_u32(); } while (new_seq > EXT4_MMP_SEQ_MAX); return new_seq; diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index bf00d5057abb..939536982c3e 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -50,7 +50,7 @@ static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns, inode->i_blocks = 0; inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); F2FS_I(inode)->i_crtime = inode->i_mtime; - inode->i_generation = prandom_u32(); + inode->i_generation = get_random_u32(); if (S_ISDIR(inode->i_mode)) F2FS_I(inode)->i_current_depth = 1; diff --git a/fs/fat/inode.c b/fs/fat/inode.c index a38238d75c08..1cbcc4608dc7 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -523,7 +523,7 @@ int fat_fill_inode(struct inode *inode, struct msdos_dir_entry *de) inode->i_uid = sbi->options.fs_uid; inode->i_gid = sbi->options.fs_gid; inode_inc_iversion(inode); - inode->i_generation = prandom_u32(); + inode->i_generation = get_random_u32(); if ((de->attr & ATTR_DIR) && !IS_FREE(de->name)) { inode->i_generation &= ~1; diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 198d7abf34e4..4e718500a00c 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -4375,8 +4375,8 @@ nfsd4_init_leases_net(struct nfsd_net *nn) nn->nfsd4_grace = 90; nn->somebody_reclaimed = false; nn->track_reclaim_completes = false; - nn->clverifier_counter = prandom_u32(); - nn->clientid_base = prandom_u32(); + nn->clverifier_counter = get_random_u32(); + nn->clientid_base = get_random_u32(); nn->clientid_counter = nn->clientid_base + 1; nn->s2s_cp_cl_id = nn->clientid_counter++; diff --git a/fs/ntfs3/fslog.c b/fs/ntfs3/fslog.c index e7c494005122..0d611a6c5511 100644 --- a/fs/ntfs3/fslog.c +++ b/fs/ntfs3/fslog.c @@ -3819,7 +3819,7 @@ int log_replay(struct ntfs_inode *ni, bool *initialized) } log_init_pg_hdr(log, page_size, page_size, 1, 1); - log_create(log, l_size, 0, get_random_int(), false, false); + log_create(log, l_size, 0, get_random_u32(), false, false); log->ra = ra; @@ -3893,7 +3893,7 @@ int log_replay(struct ntfs_inode *ni, bool *initialized) /* Do some checks based on whether we have a valid log page. */ if (!rst_info.valid_page) { - open_log_count = get_random_int(); + open_log_count = get_random_u32(); goto init_log_instance; } open_log_count = le32_to_cpu(ra2->open_log_count); @@ -4044,7 +4044,7 @@ int log_replay(struct ntfs_inode *ni, bool *initialized) memcpy(ra->clients, Add2Ptr(ra2, t16), le16_to_cpu(ra2->ra_len) - t16); - log->current_openlog_count = get_random_int(); + log->current_openlog_count = get_random_u32(); ra->open_log_count = cpu_to_le32(log->current_openlog_count); log->ra_size = offsetof(struct RESTART_AREA, clients) + sizeof(struct CLIENT_REC); diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c index 75dab0ae3939..4619652046cf 100644 --- a/fs/ubifs/journal.c +++ b/fs/ubifs/journal.c @@ -503,7 +503,7 @@ static void mark_inode_clean(struct ubifs_info *c, struct ubifs_inode *ui) static void set_dent_cookie(struct ubifs_info *c, struct ubifs_dent_node *dent) { if (c->double_hash) - dent->cookie = (__force __le32) prandom_u32(); + dent->cookie = (__force __le32) get_random_u32(); else dent->cookie = 0; } diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index 7838b31126e2..94db50eb706a 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -805,7 +805,7 @@ xfs_ialloc_ag_alloc( * number from being easily guessable. */ error = xfs_ialloc_inode_init(args.mp, tp, NULL, newlen, pag->pag_agno, - args.agbno, args.len, prandom_u32()); + args.agbno, args.len, get_random_u32()); if (error) return error; diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c index 2bbe7916a998..eae7427062cf 100644 --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -596,7 +596,7 @@ xfs_iget_cache_miss( */ if (xfs_has_v3inodes(mp) && (flags & XFS_IGET_CREATE) && !xfs_has_ikeep(mp)) { - VFS_I(ip)->i_generation = prandom_u32(); + VFS_I(ip)->i_generation = get_random_u32(); } else { struct xfs_buf *bp; diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 386b0307aed8..ad8652cbf245 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -3544,7 +3544,7 @@ xlog_ticket_alloc( tic->t_curr_res = unit_res; tic->t_cnt = cnt; tic->t_ocnt = cnt; - tic->t_tid = prandom_u32(); + tic->t_tid = get_random_u32(); if (permanent) tic->t_flags |= XLOG_TIC_PERM_RESERV; diff --git a/include/net/netfilter/nf_queue.h b/include/net/netfilter/nf_queue.h index 980daa6e1e3a..c81021ab07aa 100644 --- a/include/net/netfilter/nf_queue.h +++ b/include/net/netfilter/nf_queue.h @@ -43,7 +43,7 @@ void nf_queue_entry_free(struct nf_queue_entry *entry); static inline void init_hashrandom(u32 *jhash_initval) { while (*jhash_initval == 0) - *jhash_initval = prandom_u32(); + *jhash_initval = get_random_u32(); } static inline u32 hash_v4(const struct iphdr *iph, u32 initval) diff --git a/include/net/red.h b/include/net/red.h index 454ac2b65d8c..425364de0df7 100644 --- a/include/net/red.h +++ b/include/net/red.h @@ -363,7 +363,7 @@ static inline unsigned long red_calc_qavg(const struct red_parms *p, static inline u32 red_random(const struct red_parms *p) { - return reciprocal_divide(prandom_u32(), p->max_P_reciprocal); + return reciprocal_divide(get_random_u32(), p->max_P_reciprocal); } static inline int red_mark_probability(const struct red_parms *p, diff --git a/include/net/sock.h b/include/net/sock.h index 08038a385ef2..9e464f6409a7 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -2109,7 +2109,7 @@ static inline kuid_t sock_net_uid(const struct net *net, const struct sock *sk) static inline u32 net_tx_rndhash(void) { - u32 v = prandom_u32(); + u32 v = get_random_u32(); return v ?: 1; } diff --git a/kernel/bpf/bloom_filter.c b/kernel/bpf/bloom_filter.c index b9ea539a5561..48ee750849f2 100644 --- a/kernel/bpf/bloom_filter.c +++ b/kernel/bpf/bloom_filter.c @@ -158,7 +158,7 @@ static struct bpf_map *bloom_map_alloc(union bpf_attr *attr) attr->value_size / sizeof(u32); if (!(attr->map_flags & BPF_F_ZERO_SEED)) - bloom->hash_seed = get_random_int(); + bloom->hash_seed = get_random_u32(); return &bloom->map; } diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index 19593627e037..05d75fe17b9b 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -1216,7 +1216,7 @@ static int bpf_jit_blind_insn(const struct bpf_insn *from, bool emit_zext) { struct bpf_insn *to = to_buff; - u32 imm_rnd = get_random_int(); + u32 imm_rnd = get_random_u32(); s16 off; BUILD_BUG_ON(BPF_REG_AX + 1 != MAX_BPF_JIT_REG); diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c index ed3f8a53603b..f39ee3e05589 100644 --- a/kernel/bpf/hashtab.c +++ b/kernel/bpf/hashtab.c @@ -527,7 +527,7 @@ static struct bpf_map *htab_map_alloc(union bpf_attr *attr) if (htab->map.map_flags & BPF_F_ZERO_SEED) htab->hashrnd = 0; else - htab->hashrnd = get_random_int(); + htab->hashrnd = get_random_u32(); htab_init_buckets(htab); diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 6f6d2d511c06..014ee0953dbd 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -13350,7 +13350,7 @@ static int opt_subreg_zext_lo32_rnd_hi32(struct bpf_verifier_env *env, aux[adj_idx].ptr_type == PTR_TO_CTX) continue; - imm_rnd = get_random_int(); + imm_rnd = get_random_u32(); rnd_hi32_patch[0] = insn; rnd_hi32_patch[1].imm = imm_rnd; rnd_hi32_patch[3].dst_reg = load_reg; diff --git a/kernel/kcsan/selftest.c b/kernel/kcsan/selftest.c index 75712959c84e..58b94deae5c0 100644 --- a/kernel/kcsan/selftest.c +++ b/kernel/kcsan/selftest.c @@ -26,7 +26,7 @@ static bool __init test_requires(void) { /* random should be initialized for the below tests */ - return prandom_u32() + prandom_u32() != 0; + return get_random_u32() + get_random_u32() != 0; } /* diff --git a/lib/random32.c b/lib/random32.c index d5d9029362cb..d4f19e1a69d4 100644 --- a/lib/random32.c +++ b/lib/random32.c @@ -47,7 +47,7 @@ * @state: pointer to state structure holding seeded state. * * This is used for pseudo-randomness with no outside seeding. - * For more random results, use prandom_u32(). + * For more random results, use get_random_u32(). */ u32 prandom_u32_state(struct rnd_state *state) { diff --git a/lib/reed_solomon/test_rslib.c b/lib/reed_solomon/test_rslib.c index 4d241bdc88aa..848e7eb5da92 100644 --- a/lib/reed_solomon/test_rslib.c +++ b/lib/reed_solomon/test_rslib.c @@ -164,7 +164,7 @@ static int get_rcw_we(struct rs_control *rs, struct wspace *ws, /* Load c with random data and encode */ for (i = 0; i < dlen; i++) - c[i] = prandom_u32() & nn; + c[i] = get_random_u32() & nn; memset(c + dlen, 0, nroots * sizeof(*c)); encode_rs16(rs, c, dlen, c + dlen, 0); @@ -178,7 +178,7 @@ static int get_rcw_we(struct rs_control *rs, struct wspace *ws, for (i = 0; i < errs; i++) { do { /* Error value must be nonzero */ - errval = prandom_u32() & nn; + errval = get_random_u32() & nn; } while (errval == 0); do { @@ -206,7 +206,7 @@ static int get_rcw_we(struct rs_control *rs, struct wspace *ws, /* Erasure with corrupted symbol */ do { /* Error value must be nonzero */ - errval = prandom_u32() & nn; + errval = get_random_u32() & nn; } while (errval == 0); errlocs[errloc] = 1; diff --git a/lib/test_fprobe.c b/lib/test_fprobe.c index ed70637a2ffa..e0381b3ec410 100644 --- a/lib/test_fprobe.c +++ b/lib/test_fprobe.c @@ -145,7 +145,7 @@ static unsigned long get_ftrace_location(void *func) static int fprobe_test_init(struct kunit *test) { do { - rand1 = prandom_u32(); + rand1 = get_random_u32(); } while (rand1 <= div_factor); target = fprobe_selftest_target; diff --git a/lib/test_kprobes.c b/lib/test_kprobes.c index a5edc2ebc947..eeb1d728d974 100644 --- a/lib/test_kprobes.c +++ b/lib/test_kprobes.c @@ -341,7 +341,7 @@ static int kprobes_test_init(struct kunit *test) stacktrace_driver = kprobe_stacktrace_driver; do { - rand1 = prandom_u32(); + rand1 = get_random_u32(); } while (rand1 <= div_factor); return 0; } diff --git a/lib/test_min_heap.c b/lib/test_min_heap.c index d19c8080fd4d..7b01b4387cfb 100644 --- a/lib/test_min_heap.c +++ b/lib/test_min_heap.c @@ -83,7 +83,7 @@ static __init int test_heapify_all(bool min_heap) /* Test with randomly generated values. */ heap.nr = ARRAY_SIZE(values); for (i = 0; i < heap.nr; i++) - values[i] = get_random_int(); + values[i] = get_random_u32(); min_heapify_all(&heap, &funcs); err += pop_verify_heap(min_heap, &heap, &funcs); @@ -116,7 +116,7 @@ static __init int test_heap_push(bool min_heap) /* Test with randomly generated values. */ while (heap.nr < heap.size) { - temp = get_random_int(); + temp = get_random_u32(); min_heap_push(&heap, &temp, &funcs); } err += pop_verify_heap(min_heap, &heap, &funcs); @@ -158,7 +158,7 @@ static __init int test_heap_pop_push(bool min_heap) /* Test with randomly generated values. */ for (i = 0; i < ARRAY_SIZE(data); i++) { - temp = get_random_int(); + temp = get_random_u32(); min_heap_pop_push(&heap, &temp, &funcs); } err += pop_verify_heap(min_heap, &heap, &funcs); diff --git a/lib/test_rhashtable.c b/lib/test_rhashtable.c index 5a1dd4736b56..b358a74ed7ed 100644 --- a/lib/test_rhashtable.c +++ b/lib/test_rhashtable.c @@ -291,7 +291,7 @@ static int __init test_rhltable(unsigned int entries) if (WARN_ON(err)) goto out_free; - k = prandom_u32(); + k = get_random_u32(); ret = 0; for (i = 0; i < entries; i++) { rhl_test_objects[i].value.id = k; @@ -369,12 +369,12 @@ static int __init test_rhltable(unsigned int entries) pr_info("test %d random rhlist add/delete operations\n", entries); for (j = 0; j < entries; j++) { u32 i = prandom_u32_max(entries); - u32 prand = prandom_u32(); + u32 prand = get_random_u32(); cond_resched(); if (prand == 0) - prand = prandom_u32(); + prand = get_random_u32(); if (prand & 1) { prand >>= 1; diff --git a/mm/shmem.c b/mm/shmem.c index 42e5888bf84d..6f2cef73808d 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -2330,7 +2330,7 @@ static struct inode *shmem_get_inode(struct super_block *sb, struct inode *dir, inode_init_owner(&init_user_ns, inode, dir, mode); inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); - inode->i_generation = prandom_u32(); + inode->i_generation = get_random_u32(); info = SHMEM_I(inode); memset(info, 0, (char *)inode - (char *)info); spin_lock_init(&info->lock); diff --git a/mm/slab.c b/mm/slab.c index a5486ff8362a..60cd19b9ee04 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -2380,7 +2380,7 @@ static bool freelist_state_initialize(union freelist_init_state *state, unsigned int rand; /* Use best entropy available to define a random shift */ - rand = get_random_int(); + rand = get_random_u32(); /* Use a random state if the pre-computed list is not available */ if (!cachep->random_seq) { diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 5ca4f953034c..c3763056c554 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -2464,7 +2464,7 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev) for (i = 0; i < pkt_dev->nr_labels; i++) if (pkt_dev->labels[i] & MPLS_STACK_BOTTOM) pkt_dev->labels[i] = MPLS_STACK_BOTTOM | - ((__force __be32)prandom_u32() & + ((__force __be32)get_random_u32() & htonl(0x000fffff)); } @@ -2568,7 +2568,7 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev) for (i = 0; i < 4; i++) { pkt_dev->cur_in6_daddr.s6_addr32[i] = - (((__force __be32)prandom_u32() | + (((__force __be32)get_random_u32() | pkt_dev->min_in6_daddr.s6_addr32[i]) & pkt_dev->max_in6_daddr.s6_addr32[i]); } diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 795cbe1de912..1a37a07c7163 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -3664,7 +3664,7 @@ static __net_init int rt_genid_init(struct net *net) { atomic_set(&net->ipv4.rt_genid, 0); atomic_set(&net->fnhe_genid, 0); - atomic_set(&net->ipv4.dev_addr_genid, get_random_int()); + atomic_set(&net->ipv4.dev_addr_genid, get_random_u32()); return 0; } diff --git a/net/ipv4/tcp_cdg.c b/net/ipv4/tcp_cdg.c index ddc7ba0554bd..efcd145f06db 100644 --- a/net/ipv4/tcp_cdg.c +++ b/net/ipv4/tcp_cdg.c @@ -243,7 +243,7 @@ static bool tcp_cdg_backoff(struct sock *sk, u32 grad) struct cdg *ca = inet_csk_ca(sk); struct tcp_sock *tp = tcp_sk(sk); - if (prandom_u32() <= nexp_u32(grad * backoff_factor)) + if (get_random_u32() <= nexp_u32(grad * backoff_factor)) return false; if (use_ineff) { diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index d63118ce5900..9f2688246dee 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -246,7 +246,7 @@ int udp_lib_get_port(struct sock *sk, unsigned short snum, inet_get_local_port_range(net, &low, &high); remaining = (high - low) + 1; - rand = prandom_u32(); + rand = get_random_u32(); first = reciprocal_scale(rand, remaining) + low; /* * force rand to be an odd multiple of UDP_HTABLE_SIZE diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c index ceb85c67ce39..18481eb76a0a 100644 --- a/net/ipv6/ip6_flowlabel.c +++ b/net/ipv6/ip6_flowlabel.c @@ -220,7 +220,7 @@ static struct ip6_flowlabel *fl_intern(struct net *net, spin_lock_bh(&ip6_fl_lock); if (label == 0) { for (;;) { - fl->label = htonl(prandom_u32())&IPV6_FLOWLABEL_MASK; + fl->label = htonl(get_random_u32())&IPV6_FLOWLABEL_MASK; if (fl->label) { lfl = __fl_lookup(net, fl->label); if (!lfl) diff --git a/net/ipv6/output_core.c b/net/ipv6/output_core.c index 2880dc7d9a49..2685c3f15e9d 100644 --- a/net/ipv6/output_core.c +++ b/net/ipv6/output_core.c @@ -18,7 +18,7 @@ static u32 __ipv6_select_ident(struct net *net, u32 id; do { - id = prandom_u32(); + id = get_random_u32(); } while (!id); return id; diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c index fb67f1ca2495..8c04bb57dd6f 100644 --- a/net/netfilter/ipvs/ip_vs_conn.c +++ b/net/netfilter/ipvs/ip_vs_conn.c @@ -1308,7 +1308,7 @@ void ip_vs_random_dropentry(struct netns_ipvs *ipvs) * Randomly scan 1/32 of the whole table every second */ for (idx = 0; idx < (ip_vs_conn_tab_size>>5); idx++) { - unsigned int hash = prandom_u32() & ip_vs_conn_tab_mask; + unsigned int hash = get_random_u32() & ip_vs_conn_tab_mask; hlist_for_each_entry_rcu(cp, &ip_vs_conn_tab[hash], c_list) { if (cp->ipvs != ipvs) diff --git a/net/netfilter/xt_statistic.c b/net/netfilter/xt_statistic.c index 203e24ae472c..b26c1dcfc27b 100644 --- a/net/netfilter/xt_statistic.c +++ b/net/netfilter/xt_statistic.c @@ -34,7 +34,7 @@ statistic_mt(const struct sk_buff *skb, struct xt_action_param *par) switch (info->mode) { case XT_STATISTIC_MODE_RANDOM: - if ((prandom_u32() & 0x7FFFFFFF) < info->u.random.probability) + if ((get_random_u32() & 0x7FFFFFFF) < info->u.random.probability) ret = !ret; break; case XT_STATISTIC_MODE_NTH: diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c index 868db4669a29..ca3ebfdb3023 100644 --- a/net/openvswitch/actions.c +++ b/net/openvswitch/actions.c @@ -1033,7 +1033,7 @@ static int sample(struct datapath *dp, struct sk_buff *skb, actions = nla_next(sample_arg, &rem); if ((arg->probability != U32_MAX) && - (!arg->probability || prandom_u32() > arg->probability)) { + (!arg->probability || get_random_u32() > arg->probability)) { if (last) consume_skb(skb); return 0; diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c index 7193d25932ce..817cd0695b35 100644 --- a/net/sched/sch_cake.c +++ b/net/sched/sch_cake.c @@ -573,7 +573,7 @@ static bool cobalt_should_drop(struct cobalt_vars *vars, /* Simple BLUE implementation. Lack of ECN is deliberate. */ if (vars->p_drop) - drop |= (prandom_u32() < vars->p_drop); + drop |= (get_random_u32() < vars->p_drop); /* Overload the drop_next field as an activity timeout */ if (!vars->count) diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index bab45b3b1fdb..fb00ac40ecb7 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -171,7 +171,7 @@ static inline struct netem_skb_cb *netem_skb_cb(struct sk_buff *skb) static void init_crandom(struct crndstate *state, unsigned long rho) { state->rho = rho; - state->last = prandom_u32(); + state->last = get_random_u32(); } /* get_crandom - correlated random number generator @@ -184,9 +184,9 @@ static u32 get_crandom(struct crndstate *state) unsigned long answer; if (!state || state->rho == 0) /* no correlation */ - return prandom_u32(); + return get_random_u32(); - value = prandom_u32(); + value = get_random_u32(); rho = (u64)state->rho + 1; answer = (value * ((1ull<<32) - rho) + state->last * rho) >> 32; state->last = answer; @@ -200,7 +200,7 @@ static u32 get_crandom(struct crndstate *state) static bool loss_4state(struct netem_sched_data *q) { struct clgstate *clg = &q->clg; - u32 rnd = prandom_u32(); + u32 rnd = get_random_u32(); /* * Makes a comparison between rnd and the transition @@ -268,15 +268,15 @@ static bool loss_gilb_ell(struct netem_sched_data *q) switch (clg->state) { case GOOD_STATE: - if (prandom_u32() < clg->a1) + if (get_random_u32() < clg->a1) clg->state = BAD_STATE; - if (prandom_u32() < clg->a4) + if (get_random_u32() < clg->a4) return true; break; case BAD_STATE: - if (prandom_u32() < clg->a2) + if (get_random_u32() < clg->a2) clg->state = GOOD_STATE; - if (prandom_u32() > clg->a3) + if (get_random_u32() > clg->a3) return true; } @@ -632,7 +632,7 @@ static void get_slot_next(struct netem_sched_data *q, u64 now) if (!q->slot_dist) next_delay = q->slot_config.min_delay + - (prandom_u32() * + (get_random_u32() * (q->slot_config.max_delay - q->slot_config.min_delay) >> 32); else diff --git a/net/sunrpc/auth_gss/gss_krb5_wrap.c b/net/sunrpc/auth_gss/gss_krb5_wrap.c index 5f96e75f9eec..48337687848c 100644 --- a/net/sunrpc/auth_gss/gss_krb5_wrap.c +++ b/net/sunrpc/auth_gss/gss_krb5_wrap.c @@ -130,8 +130,8 @@ gss_krb5_make_confounder(char *p, u32 conflen) /* initialize to random value */ if (i == 0) { - i = prandom_u32(); - i = (i << 32) | prandom_u32(); + i = get_random_u32(); + i = (i << 32) | get_random_u32(); } switch (conflen) { diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index f8fae7815649..9407007f47ae 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -1868,7 +1868,7 @@ xprt_alloc_xid(struct rpc_xprt *xprt) static void xprt_init_xid(struct rpc_xprt *xprt) { - xprt->xid = prandom_u32(); + xprt->xid = get_random_u32(); } static void diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 15dbb392c875..b3545fc68097 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -1147,7 +1147,7 @@ static int unix_autobind(struct sock *sk) addr->name->sun_family = AF_UNIX; refcount_set(&addr->refcnt, 1); - ordernum = prandom_u32(); + ordernum = get_random_u32(); lastnum = ordernum & 0xFFFFF; retry: ordernum = (ordernum + 1) & 0xFFFFF;