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authorIngo Molnar <mingo@kernel.org>2019-12-25 10:41:37 +0100
committerIngo Molnar <mingo@kernel.org>2019-12-25 10:41:37 +0100
commit1e5f8a308551b9816588e12bb795aeadebe37c4a (patch)
treebd71fc796fed24a3b7cc99df4a1d1bdaecc2b387 /net/ipv4/tcp_timer.c
parenta5e37de90e67ac1072a9a44bd0cec9f5e98ded08 (diff)
parent46cf053efec6a3a5f343fead837777efe8252a46 (diff)
Merge tag 'v5.5-rc3' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/ipv4/tcp_timer.c')
-rw-r--r--net/ipv4/tcp_timer.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index dd5a6317a801..1097b438befe 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -434,6 +434,7 @@ void tcp_retransmit_timer(struct sock *sk)
struct net *net = sock_net(sk);
struct inet_connection_sock *icsk = inet_csk(sk);
struct request_sock *req;
+ struct sk_buff *skb;
req = rcu_dereference_protected(tp->fastopen_rsk,
lockdep_sock_is_held(sk));
@@ -446,7 +447,12 @@ void tcp_retransmit_timer(struct sock *sk)
*/
return;
}
- if (!tp->packets_out || WARN_ON_ONCE(tcp_rtx_queue_empty(sk)))
+
+ if (!tp->packets_out)
+ return;
+
+ skb = tcp_rtx_queue_head(sk);
+ if (WARN_ON_ONCE(!skb))
return;
tp->tlp_high_seq = 0;
@@ -480,7 +486,7 @@ void tcp_retransmit_timer(struct sock *sk)
goto out;
}
tcp_enter_loss(sk);
- tcp_retransmit_skb(sk, tcp_rtx_queue_head(sk), 1);
+ tcp_retransmit_skb(sk, skb, 1);
__sk_dst_reset(sk);
goto out_reset_timer;
}