From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 91498C43331 for ; Sun, 10 Nov 2019 02:53:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5D296214E0 for ; Sun, 10 Nov 2019 02:53:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573354383; bh=BpAp6XH2uSlXE1JsPhrWmKuprZOOpZwsT4hO8c9rf1g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=whvcSz7HisvMl1P2iIfzDlUzTqh5niOCdbqp7K8U8tvQPuJoisgoIIcwnQJ3UJsnH OU5hwZc1Es5zJx2xNHwwzGoo8T2Nu9lUWrF3PKVECbiMcyEMR05UTYgNEGvJqm2Rej ycLt0ukA8K+zfbCoaqHLK0+BtrXVyE7F+Ji++wsk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728760AbfKJCxC (ORCPT ); Sat, 9 Nov 2019 21:53:02 -0500 Received: from mail.kernel.org ([198.145.29.99]:36146 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729993AbfKJCv3 (ORCPT ); Sat, 9 Nov 2019 21:51:29 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 096FF22595; Sun, 10 Nov 2019 02:51:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573354288; bh=BpAp6XH2uSlXE1JsPhrWmKuprZOOpZwsT4hO8c9rf1g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZHdwmJIpTwkONjtWhQeqtQ4KkoVC+y49y0dWZ2AZ10uxgOJ9nwrMVHVyxOEVfQGfq s0MKQpWz+q0Pn8hnvRnyKbjBeRGzdi0QnS3TI1B4drveggjb9XIfdzqqakNfjIlxpS JebYjxvnsrgMhWDZfr2v4SB2VmWxwsb8HvCyxclQ= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Laura Abbott , Daniel Thompson , Greg Kroah-Hartman , Sasha Levin , kgdb-bugreport@lists.sourceforge.net Subject: [PATCH AUTOSEL 4.4 30/40] misc: kgdbts: Fix restrict error Date: Sat, 9 Nov 2019 21:50:22 -0500 Message-Id: <20191110025032.827-30-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191110025032.827-1-sashal@kernel.org> References: <20191110025032.827-1-sashal@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Laura Abbott [ Upstream commit fa0218ef733e6f247a1a3986e3eb12460064ac77 ] kgdbts current fails when compiled with restrict: drivers/misc/kgdbts.c: In function ‘configure_kgdbts’: drivers/misc/kgdbts.c:1070:2: error: ‘strcpy’ source argument is the same as destination [-Werror=restrict] strcpy(config, opt); ^~~~~~~~~~~~~~~~~~~ As the error says, config is being used in both the source and destination. Refactor the code to avoid the extra copy and put the parsing closer to the actual location. Signed-off-by: Laura Abbott Acked-by: Daniel Thompson Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/misc/kgdbts.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c index bb3a76ad80da2..fc8cb855c6e66 100644 --- a/drivers/misc/kgdbts.c +++ b/drivers/misc/kgdbts.c @@ -979,6 +979,12 @@ static void kgdbts_run_tests(void) int nmi_sleep = 0; int i; + verbose = 0; + if (strstr(config, "V1")) + verbose = 1; + if (strstr(config, "V2")) + verbose = 2; + ptr = strchr(config, 'F'); if (ptr) fork_test = simple_strtol(ptr + 1, NULL, 10); @@ -1062,13 +1068,6 @@ static int kgdbts_option_setup(char *opt) return -ENOSPC; } strcpy(config, opt); - - verbose = 0; - if (strstr(config, "V1")) - verbose = 1; - if (strstr(config, "V2")) - verbose = 2; - return 0; } @@ -1080,9 +1079,6 @@ static int configure_kgdbts(void) if (!strlen(config) || isspace(config[0])) goto noconfig; - err = kgdbts_option_setup(config); - if (err) - goto noconfig; final_ack = 0; run_plant_and_detach_test(1); -- 2.20.1