From e6e8869aed897a021fafa6f412e9e4b7e2ea6cd3 Mon Sep 17 00:00:00 2001 From: Li RongQing Date: Fri, 9 Nov 2018 17:04:51 +0800 Subject: net: tcp: remove BUG_ON from tcp_v4_err if skb is NULL pointer, and the following access of skb's skb_mstamp_ns will trigger panic, which is same as BUG_ON Signed-off-by: Li RongQing Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- net/ipv4/tcp_ipv4.c | 1 - 1 file changed, 1 deletion(-) (limited to 'net/ipv4/tcp_ipv4.c') diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index a336787d75e5..5424a4077c27 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -542,7 +542,6 @@ int tcp_v4_err(struct sk_buff *icmp_skb, u32 info) icsk->icsk_rto = inet_csk_rto_backoff(icsk, TCP_RTO_MAX); skb = tcp_rtx_queue_head(sk); - BUG_ON(!skb); tcp_mstamp_refresh(tp); delta_us = (u32)(tp->tcp_mstamp - tcp_skb_timestamp_us(skb)); -- cgit v1.2.3-59-g8ed1b