From: Jan Kara <jack@xxxxxxx>
Add missing unlock of i_mutex in the error path of ext4_quota_write().
Signed-off-by: Jan Kara <jack@xxxxxxx>
Signed-off-by: Mingming Cao <cmm@xxxxxxxxxx>
Signed-off-by: "Theodore Ts'o" <tytso@xxxxxxx>
---
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 e239af3..1b330cd 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3390,8 +3390,10 @@ 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;
--
1.5.6.rc3.1.g36b7.dirty
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