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| author | Arnaldo Carvalho de Melo <[email protected]> | 2018-10-18 14:13:01 +0000 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2018-10-18 14:13:01 +0000 |
| commit | ce6c9da1113ad681bff27a3e376d2017f7f8a59c (patch) | |
| tree | 922ee99522f8e47e4fa5c735d4ea378dfdb79085 /net/dccp/input.c | |
| parent | perf/x86/intel: Export mem events only if there's PEBS support (diff) | |
| parent | Merge tag 'perf-urgent-for-mingo-4.19-20181017' of git://git.kernel.org/pub/s... (diff) | |
| download | kernel-ce6c9da1113ad681bff27a3e376d2017f7f8a59c.tar.gz kernel-ce6c9da1113ad681bff27a3e376d2017f7f8a59c.zip | |
Merge remote-tracking branch 'tip/perf/urgent' into perf/core
To pick up fixes.
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'net/dccp/input.c')
| -rw-r--r-- | net/dccp/input.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/dccp/input.c b/net/dccp/input.c index d28d46bff6ab..85d6c879383d 100644 --- a/net/dccp/input.c +++ b/net/dccp/input.c @@ -606,11 +606,13 @@ int dccp_rcv_state_process(struct sock *sk, struct sk_buff *skb, if (sk->sk_state == DCCP_LISTEN) { if (dh->dccph_type == DCCP_PKT_REQUEST) { /* It is possible that we process SYN packets from backlog, - * so we need to make sure to disable BH right there. + * so we need to make sure to disable BH and RCU right there. */ + rcu_read_lock(); local_bh_disable(); acceptable = inet_csk(sk)->icsk_af_ops->conn_request(sk, skb) >= 0; local_bh_enable(); + rcu_read_unlock(); if (!acceptable) return 1; consume_skb(skb); |