From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753761Ab1CEQyJ (ORCPT ); Sat, 5 Mar 2011 11:54:09 -0500 Received: from smtp-03.mandic.com.br ([200.225.81.143]:40529 "EHLO smtp-03.mandic.com.br" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753156Ab1CEQtS (ORCPT ); Sat, 5 Mar 2011 11:49:18 -0500 From: Cesar Eduardo Barros To: linux-mm@kvack.org Cc: Andrew Morton , Hugh Dickins , KAMEZAWA Hiroyuki , Minchan Kim , Jens Axboe , linux-kernel@vger.kernel.org, Eric B Munson , Cesar Eduardo Barros Subject: [PATCHv2 06/24] sys_swapon: simplify error flow in alloc_swap_info Date: Sat, 5 Mar 2011 13:42:07 -0300 Message-Id: <1299343345-3984-7-git-send-email-cesarb@cesarb.net> X-Mailer: git-send-email 1.7.4 In-Reply-To: <1299343345-3984-1-git-send-email-cesarb@cesarb.net> References: <1299343345-3984-1-git-send-email-cesarb@cesarb.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Since there is no cleanup to do, there is no reason to jump to a label. Return directly instead. Signed-off-by: Cesar Eduardo Barros Tested-by: Eric B Munson Acked-by: Eric B Munson --- mm/swapfile.c | 7 +------ 1 files changed, 1 insertions(+), 6 deletions(-) diff --git a/mm/swapfile.c b/mm/swapfile.c index 8969b37..c97dc4b 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1848,7 +1848,6 @@ static struct swap_info_struct *alloc_swap_info(void) { struct swap_info_struct *p; unsigned int type; - int error; p = kzalloc(sizeof(*p), GFP_KERNEL); if (!p) @@ -1859,11 +1858,10 @@ static struct swap_info_struct *alloc_swap_info(void) if (!(swap_info[type]->flags & SWP_USED)) break; } - error = -EPERM; if (type >= MAX_SWAPFILES) { spin_unlock(&swap_lock); kfree(p); - goto out; + return ERR_PTR(-EPERM); } if (type >= nr_swapfiles) { p->type = type; @@ -1889,9 +1887,6 @@ static struct swap_info_struct *alloc_swap_info(void) spin_unlock(&swap_lock); return p; - -out: - return ERR_PTR(error); } SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags) -- 1.7.4