From: Jan Kara When write in reiserfs_quota_write() fails, we have to properly release i_mutex. One error path has been missing the unlock... Signed-off-by: Jan Kara Signed-off-by: Andrew Morton --- fs/reiserfs/super.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff -puN fs/reiserfs/super.c~reiserfs-add-missing-unlock-to-an-error-path-in-reiserfs_quota_write fs/reiserfs/super.c --- a/fs/reiserfs/super.c~reiserfs-add-missing-unlock-to-an-error-path-in-reiserfs_quota_write +++ a/fs/reiserfs/super.c @@ -2165,8 +2165,10 @@ static ssize_t reiserfs_quota_write(stru 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); inode->i_version++; _