diff --git a/net/core/dev.c b/net/core/dev.c
index 1fb7eef38ebe..93d430693ca0 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2549,6 +2549,8 @@ int __netif_set_xps_queue(struct net_device *dev, const unsigned long *mask,
 	struct xps_map *map, *new_map;
 	unsigned int nr_ids;
 
+	WARN_ON_ONCE(index >= dev->num_tx_queues);
+
 	if (dev->num_tc) {
 		/* Do not allow XPS on subordinate device directly */
 		num_tc = dev->num_tc;