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ext4: add missing unlock to an error path in ext4_quota_write() 

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 <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jan Kara 2008-07-04 09:59:34 -07:00 committed by Linus Torvalds
parent f5c8f7dae7
commit 4d04e4fbf8
1 changed files with 3 additions and 1 deletions
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4
fs/ext4/super.c
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@ -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;