From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail137.messagelabs.com (mail137.messagelabs.com [216.82.249.19]) by kanga.kvack.org (Postfix) with ESMTP id E98C28D003F for ; Sat, 5 Mar 2011 11:42:38 -0500 (EST) Received: from unknown (HELO localhost.localdomain) (zcncxNmDysja2tXBptWToZWJlF6Wp6IuYnI=@[200.157.204.20]) (envelope-sender ) by smtp-03.mandic.com.br (qmail-ldap-1.03) with AES256-SHA encrypted SMTP for ; 5 Mar 2011 16:42:35 -0000 From: 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> In-Reply-To: <1299343345-3984-1-git-send-email-cesarb@cesarb.net> References: <1299343345-3984-1-git-send-email-cesarb@cesarb.net> Sender: owner-linux-mm@kvack.org List-ID: 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 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org