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Message-Id: <1272034539-19899-2-git-send-email-danms@us.ibm.com> Date: Fri, 23 Apr 2010 07:55:36 -0700 From: Dan Smith <danms@...ibm.com> To: containers@...ts.osdl.org Cc: netdev@...r.kernel.org Subject: [PATCH 1/4] Fix acquiring socket lock before reading RTNETLINK response Signed-off-by: Dan Smith <danms@...ibm.com> --- net/checkpoint_dev.c | 7 ++++--- 1 files changed, 4 insertions(+), 3 deletions(-) diff --git a/net/checkpoint_dev.c b/net/checkpoint_dev.c index 7ccb899..2787892 100644 --- a/net/checkpoint_dev.c +++ b/net/checkpoint_dev.c @@ -136,11 +136,12 @@ static struct nlmsghdr *rtnl_get_response(struct socket *rtnl, *skb = NULL; + lock_sock(rtnl->sk); ret = sk_wait_data(rtnl->sk, &timeo); - if (!ret) - return ERR_PTR(-EPIPE); + if (ret) + *skb = skb_dequeue(&rtnl->sk->sk_receive_queue); + release_sock(rtnl->sk); - *skb = skb_dequeue(&rtnl->sk->sk_receive_queue); if (!*skb) return ERR_PTR(-EPIPE); -- 1.6.2.5 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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