btrfs-progs: skip erroneous free before initialization
authorGui Hecheng <guihc.fnst@cn.fujitsu.com>
Thu, 13 Mar 2014 05:01:31 +0000 (13:01 +0800)
committerChris Mason <clm@fb.com>
Fri, 21 Mar 2014 16:51:31 +0000 (09:51 -0700)
commit64200e4453f0f23bef42919db7854b6e8ed2ceda
tree7586a50d6659c7ccc9bf13b80c7589268b951c80
parentc543daa68bfe183149ac2a9446da92577f02ae03
btrfs-progs: skip erroneous free before initialization

If the list is not initialized, don't try to free it.
Otherwise it will cause segmentfault.

Signed-off-by: Gui Hecheng <guihc.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
mkfs.c