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| author | David S. Miller <davem@davemloft.net> | 2019-03-02 12:54:35 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-03-02 12:54:35 -0800 |
| commit | 9eb359140cd307f8a14f61c19b155ffca5291057 (patch) | |
| tree | 22d5143608ef1744ca4b7025414777defe8bcca5 /net/tipc | |
| parent | cf29576fee6016fa7004262cb98f57a2269178f1 (diff) | |
| parent | 07f12b26e21ab359261bf75cfcb424fdc7daeb6d (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net/tipc')
| -rw-r--r-- | net/tipc/socket.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 8c81db337431..e482b342bfa8 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -379,11 +379,13 @@ static int tipc_sk_sock_err(struct socket *sock, long *timeout) #define tipc_wait_for_cond(sock_, timeo_, condition_) \ ({ \ + DEFINE_WAIT_FUNC(wait_, woken_wake_function); \ struct sock *sk_; \ int rc_; \ \ while ((rc_ = !(condition_))) { \ - DEFINE_WAIT_FUNC(wait_, woken_wake_function); \ + /* coupled with smp_wmb() in tipc_sk_proto_rcv() */ \ + smp_rmb(); \ sk_ = (sock_)->sk; \ rc_ = tipc_sk_sock_err((sock_), timeo_); \ if (rc_) \ @@ -1983,6 +1985,8 @@ static void tipc_sk_proto_rcv(struct sock *sk, return; case SOCK_WAKEUP: tipc_dest_del(&tsk->cong_links, msg_orignode(hdr), 0); + /* coupled with smp_rmb() in tipc_wait_for_cond() */ + smp_wmb(); tsk->cong_link_cnt--; wakeup = true; break; |