diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-10-08 15:33:21 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-10-08 15:33:21 +0200 |
| commit | ba1cb318dcbfc9754acda9656262aea97ebe77e6 (patch) | |
| tree | 770fadb8b2c77da5d4dd9d33535b2d7adcdb02fd /net/ipv4/tcp_ipv4.c | |
| parent | 8f523d6db7ed69f69720267af170c0719023f373 (diff) | |
| parent | 0238df646e6224016a45505d2c111a24669ebe21 (diff) | |
Merge 4.19-rc7 into char-misc-next
We want the fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 44c09eddbb78..cd426313a298 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -943,9 +943,11 @@ static int tcp_v4_send_synack(const struct sock *sk, struct dst_entry *dst, if (skb) { __tcp_v4_send_check(skb, ireq->ir_loc_addr, ireq->ir_rmt_addr); + rcu_read_lock(); err = ip_build_and_send_pkt(skb, sk, ireq->ir_loc_addr, ireq->ir_rmt_addr, - ireq_opt_deref(ireq)); + rcu_dereference(ireq->ireq_opt)); + rcu_read_unlock(); err = net_xmit_eval(err); } |