--- zzzz-none-000/linux-3.10.107/fs/fuse/file.c	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/fs/fuse/file.c	2021-11-10 11:53:56.000000000 +0000
@@ -2283,7 +2283,7 @@
 {
 	spin_lock(&fc->lock);
 	if (RB_EMPTY_NODE(&ff->polled_node)) {
-		struct rb_node **link, *parent;
+		struct rb_node **link, *parent = NULL;
 
 		link = fuse_find_polled_node(fc, ff->kh, &parent);
 		BUG_ON(*link);