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Message-Id: <1465914262-30112-5-git-send-email-quentin@armitage.org.uk> Date: Tue, 14 Jun 2016 15:24:21 +0100 From: Quentin Armitage <quentin@...itage.org.uk> To: Wensong Zhang <wensong@...ux-vs.org>, Simon Horman <horms@...ge.net.au>, Julian Anastasov <ja@....bg>, Pablo Neira Ayuso <pablo@...filter.org>, Patrick McHardy <kaber@...sh.net>, Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>, "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org, lvs-devel@...r.kernel.org, netfilter-devel@...r.kernel.org, coreteam@...filter.org, linux-kernel@...r.kernel.org Cc: Quentin Armitage <quentin@...itage.org.uk> Subject: [PATCH v2 4/5] ipvs: Lock socket before setting SK_CAN_REUSE When other settings are changed in the socket it is locked, so lock the socket before setting SK_CAN_REUSE. Signed-off-by: Quentin Armitage <quentin@...itage.org.uk> --- net/netfilter/ipvs/ip_vs_sync.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c index 0ca937a..734335a 100644 --- a/net/netfilter/ipvs/ip_vs_sync.c +++ b/net/netfilter/ipvs/ip_vs_sync.c @@ -1539,7 +1539,9 @@ static struct socket *make_receive_sock(struct netns_ipvs *ipvs, int id, int ifi } /* it is equivalent to the REUSEADDR option in user-space */ + lock_sock(sock->sk); sock->sk->sk_reuse = SK_CAN_REUSE; + release_sock(sock->sk); result = sysctl_sync_sock_size(ipvs); if (result > 0) set_sock_size(sock->sk, 0, result); -- 1.7.7.6
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