From patchwork Mon Dec 28 12:45:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 352670 Delivered-To: patch@linaro.org Received: by 2002:a02:85a7:0:0:0:0:0 with SMTP id d36csp9785315jai; Mon, 28 Dec 2020 06:25:05 -0800 (PST) X-Google-Smtp-Source: ABdhPJzg98+jAjMoRmrIU13EC00gWDWMUs7ZhH0gNuPizXMEyUSjMgflMPL36fKdNHp/EBNBZsV+ X-Received: by 2002:a17:907:1607:: with SMTP id hb7mr40767118ejc.81.1609165504888; Mon, 28 Dec 2020 06:25:04 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1609165504; cv=none; d=google.com; s=arc-20160816; b=P33ZzJ1A0SQLJaw9lyvZ1Rc4Yxmvu0w4UUD4WqM2eGWdLKxc3YyQ+pzNbdbIuEAJNO 725dFCTgPfbK9aX0QdDUiJA15nAi+5qH26H7ucVMvk9h/e+Qx5yQ8axOqwn8x5we1mpN spXgeGND+pMKwSdVnWvqKzmDRqw2I4KMLwEupoK0XEEiPxQ/67A3TOE5qM37RcDCb2df o6Ok6p+qFk16b2JY0TNS4Tx2q1iczpCtzlJFLMNZR94kpS58FP7qEbCwTB1rHYMVgeJl slFe2/YCLabSwhUcy0Fq47kSY2SM0JJXXiWhUWoiiK3yyNlKYvEvXXxVQE/RDCLJiLmY 3cvA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=Oy3aipYxMwp6+pQRhdcST/wudghgz66q1Vxu9WMVSRc=; b=lV2ftmfc5o2U27QNmhCNEXwy9i5NBH5MnxKsM1QWRjgc8jZQ2NQkyuB/Rt7pd/xPnx CFIapQUOiiNZh7HQBPBLA64VLym5hcafjgJvkuPivmHlQfhY9yXv5HaQ5o2iqCxx0Q2p mssKR12Vt5Dd2eROwiwg4rnwT9Zpcdl3M6o4BKiCTOsFtgiIYNQSvuI2HDzRJRxrDBWE MnhRWwzQDUhapsCHGUHFHRHjHR9nbvjuVJhkH6DVRu6dDTbtsV4Nx7nBj5lbBgBz01IA Qb3zFH5hMATa3CqHNjVKVa8je569l9Te07Q52JjkT2+kJ/pnkghivEKDTSL6CJobW1SC Jtxw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=Sca4eyC8; spf=pass (google.com: domain of stable-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=stable-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id t23si22355626edc.387.2020.12.28.06.25.04; Mon, 28 Dec 2020 06:25:04 -0800 (PST) Received-SPF: pass (google.com: domain of stable-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=Sca4eyC8; spf=pass (google.com: domain of stable-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=stable-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2441191AbgL1OQ1 (ORCPT + 14 others); Mon, 28 Dec 2020 09:16:27 -0500 Received: from mail.kernel.org ([198.145.29.99]:50990 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2440947AbgL1OQL (ORCPT ); Mon, 28 Dec 2020 09:16:11 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id DE98421D94; Mon, 28 Dec 2020 14:15:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1609164955; bh=vXFuc3y5LpT/Iu3UtzcWuVkx4CeKM/PYpmLG4J9OEew=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Sca4eyC8PF2LC9OAuBMJm9z5vWclz+TCmcWVdjBXdgTdi6tolnunsCbgeA2mPcPAl xWjXEFndmBwsWJcuk1Q9eVu+PM6lrWhbh1ICXCbjmLc1s2Rhbv0iq2Ra5ZBB14H/vR GVEiQfcQlHtSeiigq6y/KS07I2HICmqqFJw7jlVk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Cezary Rojewski , Arnd Bergmann , "Steven Rostedt (VMware)" , Sasha Levin Subject: [PATCH 5.10 359/717] seq_buf: Avoid type mismatch for seq_buf_init Date: Mon, 28 Dec 2020 13:45:57 +0100 Message-Id: <20201228125038.212011795@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201228125020.963311703@linuxfoundation.org> References: <20201228125020.963311703@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Arnd Bergmann [ Upstream commit d9a9280a0d0ae51dc1d4142138b99242b7ec8ac6 ] Building with W=2 prints a number of warnings for one function that has a pointer type mismatch: linux/seq_buf.h: In function 'seq_buf_init': linux/seq_buf.h:35:12: warning: pointer targets in assignment from 'unsigned char *' to 'char *' differ in signedness [-Wpointer-sign] Change the type in the function prototype according to the type in the structure. Link: https://lkml.kernel.org/r/20201026161108.3707783-1-arnd@kernel.org Fixes: 9a7777935c34 ("tracing: Convert seq_buf fields to be like seq_file fields") Reviewed-by: Cezary Rojewski Signed-off-by: Arnd Bergmann Signed-off-by: Steven Rostedt (VMware) Signed-off-by: Sasha Levin --- include/linux/seq_buf.h | 2 +- include/linux/trace_seq.h | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) -- 2.27.0 diff --git a/include/linux/seq_buf.h b/include/linux/seq_buf.h index fb0205d87d3c1..9d6c28cc4d8f2 100644 --- a/include/linux/seq_buf.h +++ b/include/linux/seq_buf.h @@ -30,7 +30,7 @@ static inline void seq_buf_clear(struct seq_buf *s) } static inline void -seq_buf_init(struct seq_buf *s, unsigned char *buf, unsigned int size) +seq_buf_init(struct seq_buf *s, char *buf, unsigned int size) { s->buffer = buf; s->size = size; diff --git a/include/linux/trace_seq.h b/include/linux/trace_seq.h index 6c30508fca198..5a2c650d9e1c1 100644 --- a/include/linux/trace_seq.h +++ b/include/linux/trace_seq.h @@ -12,7 +12,7 @@ */ struct trace_seq { - unsigned char buffer[PAGE_SIZE]; + char buffer[PAGE_SIZE]; struct seq_buf seq; int full; }; @@ -51,7 +51,7 @@ static inline int trace_seq_used(struct trace_seq *s) * that is about to be written to and then return the result * of that write. */ -static inline unsigned char * +static inline char * trace_seq_buffer_ptr(struct trace_seq *s) { return s->buffer + seq_buf_used(&s->seq);