ipv4: Adjust in_dev handling in fib_validate_source()
Checking for in_dev being NULL is pointless.
In fact, all of our callers have in_dev precomputed already,
so just pass it in and remove the NULL checking.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 83d56a0..919d69e 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1999,7 +1999,8 @@
if (!ipv4_is_local_multicast(daddr))
goto e_inval;
} else {
- err = fib_validate_source(skb, saddr, 0, tos, 0, dev, &itag);
+ err = fib_validate_source(skb, saddr, 0, tos, 0, dev,
+ in_dev, &itag);
if (err < 0)
goto e_err;
}
@@ -2100,7 +2101,7 @@
err = fib_validate_source(skb, saddr, daddr, tos, FIB_RES_OIF(*res),
- in_dev->dev, &itag);
+ in_dev->dev, in_dev, &itag);
if (err < 0) {
ip_handle_martian_source(in_dev->dev, in_dev, skb, daddr,
saddr);
@@ -2274,7 +2275,7 @@
if (res.type == RTN_LOCAL) {
err = fib_validate_source(skb, saddr, daddr, tos,
net->loopback_dev->ifindex,
- dev, &itag);
+ dev, in_dev, &itag);
if (err < 0)
goto martian_source_keep_err;
if (err)
@@ -2295,7 +2296,8 @@
goto e_inval;
if (!ipv4_is_zeronet(saddr)) {
- err = fib_validate_source(skb, saddr, 0, tos, 0, dev, &itag);
+ err = fib_validate_source(skb, saddr, 0, tos, 0, dev,
+ in_dev, &itag);
if (err < 0)
goto martian_source_keep_err;
if (err)