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Message-ID: <20090925231144.23450.79736.stgit@localhost.localdomain>
Date: Fri, 25 Sep 2009 16:11:44 -0700
From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, gospo@...hat.com,
John Fastabend <john.r.fastabend@...el.com>,
Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-2.6 PATCH 2/3] net: fix nlmsg len size for skb when error bit is
set.
From: John Fastabend <john.r.fastabend@...el.com>
Currently, the nlmsg->len field is not set correctly in netlink_ack()
for ack messages that include the nlmsg of the error frame. This
corrects the length field passed to __nlmsg_put to use the correct
payload size.
Signed-off-by: John Fastabend <john.r.fastabend@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
net/netlink/af_netlink.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index a4bafbf..dd85320 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1788,7 +1788,7 @@ void netlink_ack(struct sk_buff *in_skb, struct nlmsghdr *nlh, int err)
}
rep = __nlmsg_put(skb, NETLINK_CB(in_skb).pid, nlh->nlmsg_seq,
- NLMSG_ERROR, sizeof(struct nlmsgerr), 0);
+ NLMSG_ERROR, payload, 0);
errmsg = nlmsg_data(rep);
errmsg->error = err;
memcpy(&errmsg->msg, nlh, err ? nlh->nlmsg_len : sizeof(*nlh));
--
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