From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Wed, 17 Jan 2018 12:32:34 +0100 (CET) Received: from mail-wr0-x244.google.com ([IPv6:2a00:1450:400c:c0c::244]:35821 "EHLO mail-wr0-x244.google.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S23991172AbeAQLc0z95qU (ORCPT ); Wed, 17 Jan 2018 12:32:26 +0100 Received: by mail-wr0-x244.google.com with SMTP id g38so15278631wrd.2; Wed, 17 Jan 2018 03:32:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id; bh=IBvWGulZaa87PCsta/V6fTbzQIYFdhyVbXMkQ/qWQjs=; b=VLg5hEqLWduh27WHhnmdXDVQ8uoNe/0L3HjiZDW+wZTzTAAyufEZ/O04i2faHLAFFK hInCymCW9MDw3gj/pvp7N+gllQxPz/s1BwRwGxDVbFubtcGMR0bBFKDxSSS8wEDFFOgo y6Gc7RrW0JRp5C0C5MurtGj9d+U24moe37cZt5K3Hn9vr74FJCVxybW2Iwhc0mPokJWG 4PSMmRK/Sq10JrcT5/g7RvN2oYfGcr2hiMIhNQUi8tt7CaeCKZl3M4k4vMFPYwUd1gba DZcGDciSiEvAKFjpXCO668F24qtsSqfdjwGmXVT40uD9pAhqjC9+oVnfR6pEWQ2epHXt 3nQw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id; bh=IBvWGulZaa87PCsta/V6fTbzQIYFdhyVbXMkQ/qWQjs=; b=a8jiIBydOTfSuptrrwPbOmmVfY8IPS7qTYhtIPtNO12RVbb3PToDhzLViaJJ4SWIQP bwnfo596JmLDPbRlYyGdrmyTc04+m6zL/vtocdGocEWIp50+3G8w9KZFoZ4yrTxihJYu TWAyuZWJmQgdZo5PaXwNHQd41Fu4AvHUbWdpO/9BFrJe8FbbeSZqNtCB+4Su/l1qfl41 e9bKduCJtNU89gig2IJJQKYkXAsnafAP4UVyx7GiznBnO96lGZwn2Lzko+sJ39y2vIZ3 RsDA3XxD/IXYf5siAYLsDTOGHmMi4f0/GggRK09IWy077KGHT6LxoeRneYDjJlEmigFE 4uoA== X-Gm-Message-State: AKwxytdRDIi9ayYn7OeJpsJ8BTwSgHKZAnOjP7/2mWbE1tDfqd3x1HxK h1qV0pDbtk3SGooRd+vUK1A= X-Google-Smtp-Source: ACJfBouJpxL/HHyv/Z4kyiD4Lc6vNd2rHoBWnhg8lbe5aHOE581qVwlGWX4RjEvEIswd6raK7PXLeA== X-Received: by 10.223.178.26 with SMTP id u26mr2224950wra.149.1516188741388; Wed, 17 Jan 2018 03:32:21 -0800 (PST) Received: from macbookpro.malat.net (bru31-1-78-225-226-121.fbx.proxad.net. [78.225.226.121]) by smtp.gmail.com with ESMTPSA id a34sm7126307wra.18.2018.01.17.03.32.20 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 17 Jan 2018 03:32:20 -0800 (PST) Received: by macbookpro.malat.net (Postfix, from userid 1000) id 766FB10C2EA9; Wed, 17 Jan 2018 12:32:19 +0100 (CET) From: Mathieu Malaterre To: Ralf Baechle Cc: Mathieu Malaterre , Steven Rostedt , Ingo Molnar , linux-mips@linux-mips.org, linux-kernel@vger.kernel.org Subject: [PATCH] MIPS: ftrace: Remove pointer comparison to 0 in prepare_ftrace_return Date: Wed, 17 Jan 2018 12:31:57 +0100 Message-Id: <20180117113157.25768-1-malat@debian.org> X-Mailer: git-send-email 2.11.0 Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 62199 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: malat@debian.org Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips Replace pointer comparison to 0 with NULL in prepare_ftrace_return to improve code readability. Identified with coccinelle script 'badzero.cocci'. Signed-off-by: Mathieu Malaterre --- arch/mips/kernel/ftrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c index 99285be0e088..7f3dfdbc3657 100644 --- a/arch/mips/kernel/ftrace.c +++ b/arch/mips/kernel/ftrace.c @@ -361,7 +361,7 @@ void prepare_ftrace_return(unsigned long *parent_ra_addr, unsigned long self_ra, * If fails when getting the stack address of the non-leaf function's * ra, stop function graph tracer and return */ - if (parent_ra_addr == 0) + if (parent_ra_addr == NULL) goto out; #endif /* *parent_ra_addr = return_hooker; */ -- 2.11.0