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=-8.8 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 EC08EC282DD for ; Mon, 10 Jun 2019 11:51:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B2AC020859 for ; Mon, 10 Jun 2019 11:51:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389377AbfFJLvB (ORCPT ); Mon, 10 Jun 2019 07:51:01 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:18541 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2388572AbfFJLvA (ORCPT ); Mon, 10 Jun 2019 07:51:00 -0400 Received: from DGGEMS404-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id B58472FEA26F6711455F; Mon, 10 Jun 2019 19:50:57 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS404-HUB.china.huawei.com (10.3.19.204) with Microsoft SMTP Server id 14.3.439.0; Mon, 10 Jun 2019 19:50:51 +0800 From: Mao Wenan To: CC: , , , Mao Wenan Subject: [PATCH -next] packet: remove unused variable 'status' in __packet_lookup_frame_in_block Date: Mon, 10 Jun 2019 19:58:31 +0800 Message-ID: <20190610115831.175710-1-maowenan@huawei.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The variable 'status' in __packet_lookup_frame_in_block() is never used since introduction in commit f6fb8f100b80 ("af-packet: TPACKET_V3 flexible buffer implementation."), we can remove it. And when __packet_lookup_frame_in_block() calls prb_retire_current_block(), it can pass macro TP_STATUS_KERNEL instead of 0. Signed-off-by: Mao Wenan --- net/packet/af_packet.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index a29d66d..fb1a79c 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -1003,7 +1003,6 @@ static void prb_fill_curr_block(char *curr, /* Assumes caller has the sk->rx_queue.lock */ static void *__packet_lookup_frame_in_block(struct packet_sock *po, struct sk_buff *skb, - int status, unsigned int len ) { @@ -1046,7 +1045,7 @@ static void *__packet_lookup_frame_in_block(struct packet_sock *po, } /* Ok, close the current block */ - prb_retire_current_block(pkc, po, 0); + prb_retire_current_block(pkc, po, TP_STATUS_KERNEL); /* Now, try to dispatch the next block */ curr = (char *)prb_dispatch_next_block(pkc, po); @@ -1075,7 +1074,7 @@ static void *packet_current_rx_frame(struct packet_sock *po, po->rx_ring.head, status); return curr; case TPACKET_V3: - return __packet_lookup_frame_in_block(po, skb, status, len); + return __packet_lookup_frame_in_block(po, skb, len); default: WARN(1, "TPACKET version not supported\n"); BUG(); -- 2.7.4