btrfs-progs: cleanup possible silent failure in btrfs-image
authorGui Hecheng <guihc.fnst@cn.fujitsu.com>
Thu, 26 Jun 2014 02:53:04 +0000 (10:53 +0800)
committerDavid Sterba <dsterba@suse.cz>
Fri, 22 Aug 2014 12:43:11 +0000 (14:43 +0200)
commitcc1c1eab1792db37593d4c840bfaef1e6af831d7
treea17bafd679909b4d3b21866fce031fd058c12485
parentaada0509618c3e358e1b2eb164647f0b9a12c646
btrfs-progs: cleanup possible silent failure in btrfs-image

If the malloc above fails, the btrfs-image will exit directly
without any error messages.
Now just return the ENOMEM errno and let the caller prompt the
error message.

Signed-off-by: Gui Hecheng <guihc.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
btrfs-image.c