Btrfs: don't null pointer deref on abort
I'm sorry, theres no excuse for this sort of work. We need to use
root->leafsize since eb may be NULL. Thanks,
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 72b1727..e8b29da 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3808,7 +3808,7 @@
while (start <= end) {
eb = btrfs_find_tree_block(root, start,
root->leafsize);
- start += eb->len;
+ start += root->leafsize;
if (!eb)
continue;
wait_on_extent_buffer_writeback(eb);