diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 7dc69b3..64dc93f 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -4104,7 +4104,7 @@
 
 	return eb;
 err:
-	for (i--; i > 0; i--)
+	for (i--; i >= 0; i--)
 		__free_page(eb->pages[i]);
 	__free_extent_buffer(eb);
 	return NULL;