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netlink: Fix bugs in nlmsg_end() conversions.

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Commit 053c095a82 ("netlink: make nlmsg_end() and genlmsg_end()
void") didn't catch all of the cases where callers were breaking out
on the return value being equal to zero, which they no longer should
when zero means success.

Fix all such cases.

Reported-by: Marcel Holtmann <marcel@holtmann.org>
Reported-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2015-01-18 23:36:08 -05:00
parent 27c0013285
commit 7b46a644a4
6 changed files with 11 additions and 14 deletions
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2
net/ipv4/route.c
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@@ -2483,7 +2483,7 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh)
err = rt_fill_info(net, dst, src, &fl4, skb,
NETLINK_CB(in_skb).portid, nlh->nlmsg_seq,
RTM_NEWROUTE, 0, 0);
if (err <= 0)
if (err < 0)
goto errout_free;
err = rtnl_unicast(skb, net, NETLINK_CB(in_skb).portid);