Merge "net: tcp: check for NULL send head during MTU probe"

net/ipv4/tcp_output.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -2071,6 +2071,9 @@ static bool tcp_can_coalesce_send_queue_head(struct sock *sk, int len)
		struct sk_buff skb, next;

		skb = tcp_send_head(sk);
		if (!skb)
		return false;

		tcp_for_write_queue_from_safe(skb, next, sk) {
		if (len <= skb->len)
		break;