Merge branch 'for-5.1/hid-asus' into for-linus

[platform/kernel/linux-starfive.git] / drivers / xen / pvcalls-front.c

diff --git a/drivers/xen/pvcalls-front.c b/drivers/xen/pvcalls-front.c
index 307861f..8a249c9 100644 (file)
--- a/drivers/xen/pvcalls-front.c
+++ b/drivers/xen/pvcalls-front.c
@@ -343,6 +343,9 @@ int pvcalls_front_socket(struct socket *sock)
 
 static void free_active_ring(struct sock_mapping *map)
 {
+       if (!map->active.ring)
+               return;
+
        free_pages((unsigned long)map->active.data.in,
                        map->active.ring->ring_order);
        free_page((unsigned long)map->active.ring);