Btrfs: check return value of btrfs_search_slot properly
Doing an audit of where we use btrfs_search_slot only showed one place where we
don't check the return value of btrfs_search_slot properly. Just fix
mark_extent_written to see if btrfs_search_slot failed and act accordingly.
Thanks,
Signed-off-by: Josef Bacik <josef@redhat.com>
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 3786eca..a85b044 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -608,6 +608,8 @@
key.offset = split;
ret = btrfs_search_slot(trans, root, &key, path, -1, 1);
+ if (ret < 0)
+ goto out;
if (ret > 0 && path->slots[0] > 0)
path->slots[0]--;