Commit 75511449 authored by Miaohe Lin's avatar Miaohe Lin Committed by David S. Miller
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net: Avoid access icmp_err_convert when icmp code is ICMP_FRAG_NEEDED 



There is no need to fetch errno and fatal info from icmp_err_convert when
icmp code is ICMP_FRAG_NEEDED.

Signed-off-by: default avatarMiaohe Lin <linmiaohe@huawei.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0caeba3d

net/ipv4/raw.c

+3 −2
Original line number Diff line number Diff line
@@ -260,11 +260,12 @@ static void raw_err(struct sock *sk, struct sk_buff *skb, u32 info) 
		err = EHOSTUNREACH;

		if (code > NR_ICMP_UNREACH)

			break;

		err = icmp_err_convert[code].errno;

		harderr = icmp_err_convert[code].fatal;

		if (code == ICMP_FRAG_NEEDED) {

			harderr = inet->pmtudisc != IP_PMTUDISC_DONT;

			err = EMSGSIZE;

		} else {

			err = icmp_err_convert[code].errno;

			harderr = icmp_err_convert[code].fatal;

		}

	}