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Subject[PATCH] net: ipv4: Fix wrong type conversion from hint to rt in ip_route_use_hint()
Date
From: Miaohe Lin <linmiaohe@huawei.com>

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

Fixes: 02b24941619f ("ipv4: use dst hint for ipv4 list receive")

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
net/ipv4/route.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 1d7076b78e63..a01efa062f6b 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -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;
--
2.19.1
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