| commit | 90d2c51dbb4db05c040bc7db264bb7ab35e35455 | [log] [tgz] |
|---|---|---|
| author | Miao Xie <miaox@cn.fujitsu.com> | Thu Mar 25 12:37:12 2010 +0000 |
| committer | Chris Mason <chris.mason@oracle.com> | Tue Mar 30 21:19:08 2010 -0400 |
| tree | d97b50f0a064366aecce9671b8e1791263999e59 | |
| parent | 2f3014fc2ab1e25c36531e19164c48182c168995 [diff] |
Btrfs: add NULL check for do_walk_down() btrfs_find_create_tree_block() may return NULL, so we must check the returned value, or we will access a NULL pointer. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>