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authorDavid S. Miller <davem@davemloft.net>2016-01-06 22:54:18 -0500
committerDavid S. Miller <davem@davemloft.net>2016-01-06 22:54:18 -0500
commit9e0efaf6b41bf22c2eb81258fc2a6f1538a643e5 (patch)
treee2daa5fb47f707f44b6b7e9da82a6d8017af3f8c /include/net
parentc7f5d105495a38ed09e70d825f75d9d7d5407264 (diff)
parent51cb67c0b0fcb91581b15bd2e85f29af4d4b2df6 (diff)
downloadop-kernel-dev-9e0efaf6b41bf22c2eb81258fc2a6f1538a643e5.zip
op-kernel-dev-9e0efaf6b41bf22c2eb81258fc2a6f1538a643e5.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'include/net')
-rw-r--r--include/net/l3mdev.h16
-rw-r--r--include/net/route.h7
2 files changed, 16 insertions, 7 deletions
diff --git a/include/net/l3mdev.h b/include/net/l3mdev.h
index 786226f..5567d46 100644
--- a/include/net/l3mdev.h
+++ b/include/net/l3mdev.h
@@ -29,7 +29,7 @@ struct l3mdev_ops {
/* IPv4 ops */
struct rtable * (*l3mdev_get_rtable)(const struct net_device *dev,
const struct flowi4 *fl4);
- void (*l3mdev_get_saddr)(struct net_device *dev,
+ int (*l3mdev_get_saddr)(struct net_device *dev,
struct flowi4 *fl4);
/* IPv6 ops */
@@ -130,10 +130,11 @@ static inline bool netif_index_is_l3_master(struct net *net, int ifindex)
return rc;
}
-static inline void l3mdev_get_saddr(struct net *net, int ifindex,
- struct flowi4 *fl4)
+static inline int l3mdev_get_saddr(struct net *net, int ifindex,
+ struct flowi4 *fl4)
{
struct net_device *dev;
+ int rc = 0;
if (ifindex) {
@@ -142,11 +143,13 @@ static inline void l3mdev_get_saddr(struct net *net, int ifindex,
dev = dev_get_by_index_rcu(net, ifindex);
if (dev && netif_is_l3_master(dev) &&
dev->l3mdev_ops->l3mdev_get_saddr) {
- dev->l3mdev_ops->l3mdev_get_saddr(dev, fl4);
+ rc = dev->l3mdev_ops->l3mdev_get_saddr(dev, fl4);
}
rcu_read_unlock();
}
+
+ return rc;
}
static inline struct dst_entry *l3mdev_get_rt6_dst(const struct net_device *dev,
@@ -223,9 +226,10 @@ static inline bool netif_index_is_l3_master(struct net *net, int ifindex)
return false;
}
-static inline void l3mdev_get_saddr(struct net *net, int ifindex,
- struct flowi4 *fl4)
+static inline int l3mdev_get_saddr(struct net *net, int ifindex,
+ struct flowi4 *fl4)
{
+ return 0;
}
static inline
diff --git a/include/net/route.h b/include/net/route.h
index ee81307..a3b9ef7 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -283,7 +283,12 @@ static inline struct rtable *ip_route_connect(struct flowi4 *fl4,
sport, dport, sk);
if (!src && oif) {
- l3mdev_get_saddr(net, oif, fl4);
+ int rc;
+
+ rc = l3mdev_get_saddr(net, oif, fl4);
+ if (rc < 0)
+ return ERR_PTR(rc);
+
src = fl4->saddr;
}
if (!dst || !src) {
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