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rtnetlink: fix error code in rtnl_newlink()

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If rtnl_get_peer_net() fails, then propagate the error code.  Don't
return success.

Fixes: 4832756676 ("rtnetlink: fix double call of rtnl_link_get_net_ifla()")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/a2d20cd4-387a-4475-887c-bb7d0e88e25a@stanley.mountain
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Dan Carpenter 2024-12-06 15:32:52 +03:00 committed by Jakub Kicinski
parent ab80e715b7
commit 09310cfd4e
1 changed files with 3 additions and 1 deletions
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4
net/core/rtnetlink.c
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@ -3972,8 +3972,10 @@ static int rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh,
if (ops->peer_type) {
peer_net = rtnl_get_peer_net(ops, data, extack);
if (IS_ERR(peer_net))
if (IS_ERR(peer_net)) {
ret = PTR_ERR(peer_net);
goto put_ops;
}
if (peer_net)
rtnl_nets_add(&rtnl_nets, peer_net);
}