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 241808D0041 for ; Sat, 12 Feb 2011 13:49:48 -0500 (EST) Received: from unknown (HELO localhost.localdomain) (zcncxNmDysja2tXBptWToZWJlF6Wp6IuYnI=@[200.157.204.20]) (envelope-sender ) by smtp-01.mandic.com.br (qmail-ldap-1.03) with AES256-SHA encrypted SMTP for ; 12 Feb 2011 18:49:44 -0000 From: Cesar Eduardo Barros Subject: [PATCH 14/24] sys_swapon: simplify error flow in claim_swapfile Date: Sat, 12 Feb 2011 16:49:15 -0200 Message-Id: <1297536565-8059-14-git-send-email-cesarb@cesarb.net> In-Reply-To: <4D56D5F9.8000609@cesarb.net> References: <4D56D5F9.8000609@cesarb.net> Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org Cc: 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 --- mm/swapfile.c | 20 ++++++-------------- 1 files changed, 6 insertions(+), 14 deletions(-) diff --git a/mm/swapfile.c b/mm/swapfile.c index db772e4..f5fe484 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1900,30 +1900,22 @@ static int claim_swapfile(struct swap_info_struct *p, struct inode *inode) sys_swapon); if (error < 0) { p->bdev = NULL; - error = -EINVAL; - goto bad_swap; + return -EINVAL; } p->old_block_size = block_size(p->bdev); error = set_blocksize(p->bdev, PAGE_SIZE); if (error < 0) - goto bad_swap; + return error; p->flags |= SWP_BLKDEV; } else if (S_ISREG(inode->i_mode)) { p->bdev = inode->i_sb->s_bdev; mutex_lock(&inode->i_mutex); - if (IS_SWAPFILE(inode)) { - error = -EBUSY; - goto bad_swap; - } - } else { - error = -EINVAL; - goto bad_swap; - } + if (IS_SWAPFILE(inode)) + return -EBUSY; + } else + return -EINVAL; return 0; - -bad_swap: - return 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