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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, 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 A2035C43603 for ; Sat, 7 Dec 2019 03:47:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7E7B920637 for ; Sat, 7 Dec 2019 03:47:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726552AbfLGDrr (ORCPT ); Fri, 6 Dec 2019 22:47:47 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:34376 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726371AbfLGDrr (ORCPT ); Fri, 6 Dec 2019 22:47:47 -0500 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 96279676AA260FA1F035; Sat, 7 Dec 2019 11:47:44 +0800 (CST) Received: from localhost (10.133.213.239) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.439.0; Sat, 7 Dec 2019 11:46:38 +0800 From: YueHaibing To: , , CC: , YueHaibing Subject: [PATCH -next] tracing: remove set but not used variable 'buffer' Date: Sat, 7 Dec 2019 11:44:09 +0800 Message-ID: <20191207034409.25668-1-yuehaibing@huawei.com> X-Mailer: git-send-email 2.10.2.windows.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.133.213.239] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org kernel/trace/trace_events_inject.c: In function trace_inject_entry: kernel/trace/trace_events_inject.c:20:22: warning: variable buffer set but not used [-Wunused-but-set-variable] It is never used, so remove it. Reported-by: Hulk Robot Signed-off-by: YueHaibing --- kernel/trace/trace_events_inject.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/kernel/trace/trace_events_inject.c b/kernel/trace/trace_events_inject.c index d437107..d45079e 100644 --- a/kernel/trace/trace_events_inject.c +++ b/kernel/trace/trace_events_inject.c @@ -17,12 +17,10 @@ static int trace_inject_entry(struct trace_event_file *file, void *rec, int len) { struct trace_event_buffer fbuffer; - struct ring_buffer *buffer; int written = 0; void *entry; rcu_read_lock_sched(); - buffer = file->tr->trace_buffer.buffer; entry = trace_event_buffer_reserve(&fbuffer, file, len); if (entry) { memcpy(entry, rec, len); -- 2.7.4