btrfs-progs: use on-stack buffer for superblock
authorDavid Sterba <dsterba@suse.com>
Tue, 1 Sep 2015 13:10:48 +0000 (15:10 +0200)
committerDavid Sterba <dsterba@suse.com>
Wed, 2 Sep 2015 15:46:30 +0000 (17:46 +0200)
commitc4123e1848db8066e5fed55545a334d3377c369f
treee31e1ce5077482327418a22de0e2a22b5da59ca6
parent2bac679058678b64dae15cc4905603423604736e
btrfs-progs: use on-stack buffer for superblock

In update_disk_super_on_device,the buffer size is small, allocate it
onstack and get rid of one error path.

Signed-off-by: David Sterba <dsterba@suse.com>
btrfs-image.c