diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index fa4ef18..23d1d81 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -855,7 +855,8 @@
 	btrfs_drop_extent_cache(inode, start, end - 1, 0);
 
 	path = btrfs_alloc_path();
-	BUG_ON(!path);
+	if (!path)
+		return -ENOMEM;
 again:
 	recow = 0;
 	split = start;