btrfs-progs: handle errors from btrfs_alloc_path

All functions already return an error condition, so the callers should
expect that.

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

1 files changed, 5 insertions, 1 deletions

diff --git a/disk-io.c b/disk-io.c
index 2fd3330f..b7202fab 100644
--- a/disk-io.c
+++ b/disk-io.c
@@ -739,7 +739,11 @@ struct btrfs_root *btrfs_read_fs_root_no_cache(struct btrfs_fs_info *fs_info,
 		     root, fs_info, location->objectid);
 
 	path = btrfs_alloc_path();
-	BUG_ON(!path);
+	if (!path) {
+		free(root);
+		return ERR_PTR(-ENOMEM);
+	}
+
 	ret = btrfs_search_slot(NULL, tree_root, location, path, 0, 0);
 	if (ret != 0) {
 		if (ret > 0)