From patchwork Tue Jul 4 19:21:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Li zeming X-Patchwork-Id: 13299568 X-Patchwork-Delegate: mhiramat@kernel.org 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 F2515EB64D9 for ; Mon, 3 Jul 2023 02:50:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230135AbjGCCuT (ORCPT ); Sun, 2 Jul 2023 22:50:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54296 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230112AbjGCCuS (ORCPT ); Sun, 2 Jul 2023 22:50:18 -0400 Received: from mail.nfschina.com (unknown [42.101.60.195]) by lindbergh.monkeyblade.net (Postfix) with SMTP id E8FBAE44; Sun, 2 Jul 2023 19:50:08 -0700 (PDT) Received: from localhost.localdomain (unknown [219.141.250.2]) by mail.nfschina.com (Maildata Gateway V2.8.8) with ESMTPA id 83FBB609158B7; Mon, 3 Jul 2023 10:49:54 +0800 (CST) X-MD-Sfrom: zeming@nfschina.com X-MD-SrcIP: 219.141.250.2 From: Li zeming To: naveen.n.rao@linux.ibm.com, anil.s.keshavamurthy@intel.com, davem@davemloft.net, mhiramat@kernel.org Cc: linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Li zeming Subject: [PATCH] =?utf-8?q?kprobes=3A_Remove_unnecessary_=E2=80=980=E2=80=99?= =?utf-8?q?_values_from_ret?= Date: Wed, 5 Jul 2023 03:21:07 +0800 Message-Id: <20230704192107.2944-1-zeming@nfschina.com> X-Mailer: git-send-email 2.18.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org ret is assigned first, so it does not need to initialize the assignment. Signed-off-by: Li zeming Acked-by: Masami Hiramatsu (Google) --- kernel/kprobes.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 00e177de91cc..db8a3aa53cf6 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -1072,7 +1072,7 @@ static int kprobe_ftrace_enabled; static int __arm_kprobe_ftrace(struct kprobe *p, struct ftrace_ops *ops, int *cnt) { - int ret = 0; + int ret; lockdep_assert_held(&kprobe_mutex); @@ -1110,7 +1110,7 @@ static int arm_kprobe_ftrace(struct kprobe *p) static int __disarm_kprobe_ftrace(struct kprobe *p, struct ftrace_ops *ops, int *cnt) { - int ret = 0; + int ret; lockdep_assert_held(&kprobe_mutex);