btrfs-progs: check for null string in parse_size
authorEric Sandeen <sandeen@redhat.com>
Mon, 4 Mar 2013 22:39:56 +0000 (16:39 -0600)
committerDavid Sterba <dsterba@suse.cz>
Sun, 10 Mar 2013 14:54:49 +0000 (15:54 +0100)
commit1b18ff60b181c4246b287a6b704e56b8e9ecf7fb
treec902254208a6a2c424ac254d43ead2f555f5ae1e
parentdd53ec1c12e0794fed80bc9596d9da7823a61714
btrfs-progs: check for null string in parse_size

Because it's better than a segfault if it's called improperly,
and it makes static checkers happier.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
utils.c