btrfs-progs: check sscanf return code
authorZach Brown <zab@zabbo.net>
Wed, 15 Oct 2014 23:14:18 +0000 (16:14 -0700)
committerDavid Sterba <dsterba@suse.cz>
Thu, 16 Oct 2014 11:38:26 +0000 (13:38 +0200)
commit17063426a025dae59446a63388d0fb257d546192
tree9e8407c7fa0959bfd7b07dccd51f838c1ae7249e
parentbdac35cea24d11d3bcb6682038f907ba05484525
btrfs-progs: check sscanf return code

coverity warned that the return code from sscanf() assigned to 'i'
wasn't checked before being assigned again.  Check it.

Signed-off-by: Zach Brown <zab@zabbo.net>
Signed-off-by: David Sterba <dsterba@suse.cz>
utils.c