diff --git a/drivers/usb/gadget/function/f_rndis.c b/drivers/usb/gadget/function/f_rndis.c
index c8005823b1905389710d2839249766939eff10b1..16562e46112179b419a353a6508b6629c7d10d7e 100644
--- a/drivers/usb/gadget/function/f_rndis.c
+++ b/drivers/usb/gadget/function/f_rndis.c
@@ -374,6 +374,9 @@ static struct sk_buff *rndis_add_header(struct gether *port,
 {
 	struct sk_buff *skb2;
 
+	if (!skb)
+		return NULL;
+
 	skb2 = skb_realloc_headroom(skb, sizeof(struct rndis_packet_msg_type));
 	rndis_add_hdr(skb2);