diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 72b89efc76154d..6d94351fd28cf6 100755
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -644,6 +644,8 @@ static int ping_v4_push_pending_frames(struct sock *sk, struct pingfakehdr *pfh,
 {
 	struct sk_buff *skb = skb_peek(&sk->sk_write_queue);
 
+	if (!skb)
+		return 0;
 	pfh->wcheck = csum_partial((char *)&pfh->icmph,
 		sizeof(struct icmphdr), pfh->wcheck);
 	pfh->icmph.checksum = csum_fold(pfh->wcheck);