Commit 2ce578ca authored Jun 27, 2020 by Miaohe Lin Committed by David S. Miller Jun 27, 2020

net: ipv4: Fix wrong type conversion from hint to rt in ip_route_use_hint()



We can't cast sk_buff to rtable by (struct rtable *)hint. Use skb_rtable().

Fixes: 02b24941 ("ipv4: use dst hint for ipv4 list receive")
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 0574e200

net/ipv4/route.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -2027,7 +2027,7 @@ int ip_route_use_hint(struct sk_buff *skb, __be32 daddr, __be32 saddr,
		const struct sk_buff *hint)
		{
		struct in_device *in_dev = __in_dev_get_rcu(dev);
		struct rtable rt = (struct rtable )hint;
		struct rtable *rt = skb_rtable(hint);
		struct net *net = dev_net(dev);
		int err = -EINVAL;
		u32 tag = 0;

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