btrfs: scrub: silence an uninitialized variable warning
authorDan Carpenter <dan.carpenter@oracle.com>
Fri, 11 Mar 2016 08:08:56 +0000 (11:08 +0300)
committerDavid Sterba <dsterba@suse.com>
Fri, 11 Mar 2016 16:21:59 +0000 (17:21 +0100)
commit07c9a8e07771fce74620aa4f8132537196b8e43a
tree4228f559b561838d6319717c74de7fa7d29f2729
parentebb8765b2ded869b75bf5154b048119eb52571f7
btrfs: scrub: silence an uninitialized variable warning

It's basically harmless if "ref_level" isn't initialized since it's only
used for an error message, but it causes a static checker warning.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/scrub.c