[PATCH net-next 2/7] net: ip: add drop reason to ip_route_input_rcu()

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Add the pointer of the skb drop reason to the function arguments of
ip_route_input_rcu().

Signed-off-by: Menglong Dong <dongml2@xxxxxxxxxxxxxxx>
---
 net/ipv4/route.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index f1767e0cc9d9..385efe6d71a7 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2415,7 +2415,8 @@ out:	return err;
 
 /* called with rcu_read_lock held */
 static int ip_route_input_rcu(struct sk_buff *skb, __be32 daddr, __be32 saddr,
-			      u8 tos, struct net_device *dev, struct fib_result *res)
+			      u8 tos, struct net_device *dev, struct fib_result *res,
+			      enum skb_drop_reason *reason)
 {
 	/* Multicast recognition logic is moved from route cache to here.
 	 * The problem was that too many Ethernet cards have broken/missing
@@ -2473,7 +2474,7 @@ int ip_route_input_noref(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 
 	tos &= INET_DSCP_MASK;
 	rcu_read_lock();
-	err = ip_route_input_rcu(skb, daddr, saddr, tos, dev, &res);
+	err = ip_route_input_rcu(skb, daddr, saddr, tos, dev, &res, reason);
 	rcu_read_unlock();
 
 	return err;
@@ -3288,7 +3289,7 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh,
 		skb->mark	= mark;
 		err = ip_route_input_rcu(skb, dst, src,
 					 rtm->rtm_tos & INET_DSCP_MASK, dev,
-					 &res);
+					 &res, NULL);
 
 		rt = skb_rtable(skb);
 		if (err == 0 && rt->dst.error)
-- 
2.39.5





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