From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750996AbdANBR7 (ORCPT ); Fri, 13 Jan 2017 20:17:59 -0500 Received: from mail-pf0-f194.google.com ([209.85.192.194]:36341 "EHLO mail-pf0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750880AbdANBR5 (ORCPT ); Fri, 13 Jan 2017 20:17:57 -0500 From: Shyam Saini To: hariprasad@chelsio.com Cc: tklauser@distanz.ch, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Shyam Saini Subject: [PATCH] cxgb4: Remove redundant memset before memcpy Date: Sat, 14 Jan 2017 06:47:40 +0530 Message-Id: <1484356660-19082-1-git-send-email-mayhs11saini@gmail.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The region set by the call to memset, immediately overwritten by the subsequent call to memcpy and thus makes the memset redundant. Also remove the memset((&info, 0, sizeof(info)) on line 398 because info is memcpy()'ed to before being used in the loop and it isn't used outside of the loop. Signed-off-by: Shyam Saini --- drivers/net/ethernet/chelsio/cxgb4/sched.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/net/ethernet/chelsio/cxgb4/sched.c b/drivers/net/ethernet/chelsio/cxgb4/sched.c index cbd68a8..c902635 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/sched.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sched.c @@ -397,9 +397,6 @@ static struct sched_class *t4_sched_class_lookup(struct port_info *pi, struct ch_sched_params info; struct ch_sched_params tp; - memset(&info, 0, sizeof(info)); - memset(&tp, 0, sizeof(tp)); - memcpy(&tp, p, sizeof(tp)); /* Don't try to match class parameter */ tp.u.params.class = SCHED_CLS_NONE; @@ -409,7 +406,6 @@ static struct sched_class *t4_sched_class_lookup(struct port_info *pi, if (e->state == SCHED_STATE_UNUSED) continue; - memset(&info, 0, sizeof(info)); memcpy(&info, &e->info, sizeof(info)); /* Don't try to match class parameter */ info.u.params.class = SCHED_CLS_NONE; @@ -458,7 +454,6 @@ static struct sched_class *t4_sched_class_alloc(struct port_info *pi, if (!e) goto out; - memset(&np, 0, sizeof(np)); memcpy(&np, p, sizeof(np)); np.u.params.class = e->idx; -- 2.7.4