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

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

Fixes: 02b2494161 ("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>
This commit is contained in:
Miaohe Lin 2020-06-27 15:47:51 +08:00 committed by David S. Miller
parent 0574e2000f
commit 2ce578ca94
1 changed files with 1 additions and 1 deletions
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net/ipv4/route.c
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@ -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;