From: Jan Kara Subject: [PATCH] ext4: Add missing unlock to an error path in ext4_quota_write() Date: Thu, 26 Jun 2008 13:19:03 +0200 Message-ID: <12144791441146-git-send-email-jack@suse.cz> References: n <12144791432214-git-send-email-jack@suse.cz> Cc: LKML , linux-ext4@vger.kernel.org, Jan Kara To: Andrew Morton Return-path: Received: from styx.suse.cz ([82.119.242.94]:54115 "EHLO mail.suse.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753818AbYFZLTF (ORCPT ); Thu, 26 Jun 2008 07:19:05 -0400 In-Reply-To: <12144791432214-git-send-email-jack@suse.cz> Sender: linux-ext4-owner@vger.kernel.org List-ID: When write in ext4_quota_write() fails, we have to properly release i_mutex. One error path has been missing the unlock... Signed-off-by: Jan Kara --- fs/ext4/super.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index cb96f12..02bf243 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -3337,8 +3337,10 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type, blk++; } out: - if (len == towrite) + if (len == towrite) { + mutex_unlock(&inode->i_mutex); return err; + } if (inode->i_size < off+len-towrite) { i_size_write(inode, off+len-towrite); EXT4_I(inode)->i_disksize = inode->i_size; -- 1.5.2.4