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rtnetlink: Don't ignore IFLA_TARGET_NETNSID when ifname is specified in rtnl_dellink(). 

[ Upstream commit 9415d375d8520e0ed55f0c0b058928da9a5b5b3d ]

The cited commit accidentally replaced tgt_net with net in rtnl_dellink().

As a result, IFLA_TARGET_NETNSID is ignored if the interface is specified
with IFLA_IFNAME or IFLA_ALT_IFNAME.

Let's pass tgt_net to rtnl_dev_get().

Fixes: cc6090e985 ("net: rtnetlink: introduce helper to get net_device instance by ifname")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Kuniyuki Iwashima 2024-07-26 17:19:53 -07:00 committed by Greg Kroah-Hartman
parent 4ea83a0518
commit 0db0072657
1 changed files with 1 additions and 1 deletions
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2
net/core/rtnetlink.c
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@ -3263,7 +3263,7 @@ static int rtnl_dellink(struct sk_buff *skb, struct nlmsghdr *nlh,
if (ifm->ifi_index > 0)
dev = __dev_get_by_index(tgt_net, ifm->ifi_index);
else if (tb[IFLA_IFNAME] || tb[IFLA_ALT_IFNAME])
dev = rtnl_dev_get(net, tb);
dev = rtnl_dev_get(tgt_net, tb);
else if (tb[IFLA_GROUP])
err = rtnl_group_dellink(tgt_net, nla_get_u32(tb[IFLA_GROUP]));
else