[NETNS]: Add namespace parameter to ip_dev_find.

in_dev_find() need a namespace to pass it to fib_get_table(), so add
an argument.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/infiniband/core/addr.c

@@ -110,7 +110,7 @@ int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr)
 	__be32 ip = ((struct sockaddr_in *) addr)->sin_addr.s_addr;
 	int ret;
 
-	dev = ip_dev_find(ip);
+	dev = ip_dev_find(&init_net, ip);
 	if (!dev)
 		return -EADDRNOTAVAIL;
 
@@ -261,7 +261,7 @@ static int addr_resolve_local(struct sockaddr_in *src_in,
 	__be32 dst_ip = dst_in->sin_addr.s_addr;
 	int ret;
 
-	dev = ip_dev_find(dst_ip);
+	dev = ip_dev_find(&init_net, dst_ip);
 	if (!dev)
 		return -EADDRNOTAVAIL;
 

drivers/infiniband/core/cma.c

@@ -1289,7 +1289,7 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
 	atomic_inc(&conn_id->dev_remove);
 	conn_id->state = CMA_CONNECT;
 
-	dev = ip_dev_find(iw_event->local_addr.sin_addr.s_addr);
+	dev = ip_dev_find(&init_net, iw_event->local_addr.sin_addr.s_addr);
 	if (!dev) {
 		ret = -EADDRNOTAVAIL;
 		cma_enable_remove(conn_id);

include/linux/inetdevice.h

@@ -129,7 +129,7 @@ struct in_ifaddr
 extern int register_inetaddr_notifier(struct notifier_block *nb);
 extern int unregister_inetaddr_notifier(struct notifier_block *nb);
 
-extern struct net_device 	*ip_dev_find(__be32 addr);
+extern struct net_device *ip_dev_find(struct net *net, __be32 addr);
 extern int		inet_addr_onlink(struct in_device *in_dev, __be32 a, __be32 b);
 extern int		devinet_ioctl(unsigned int cmd, void __user *);
 extern void		devinet_init(void);

net/ipv4/fib_frontend.c

@@ -153,7 +153,7 @@ static void fib_flush(struct net *net)
  *	Find the first device with a given source address.
  */
 
-struct net_device * ip_dev_find(__be32 addr)
+struct net_device * ip_dev_find(struct net *net, __be32 addr)
 {
 	struct flowi fl = { .nl_u = { .ip4_u = { .daddr = addr } } };
 	struct fib_result res;
@@ -164,7 +164,7 @@ struct net_device * ip_dev_find(__be32 addr)
 	res.r = NULL;
 #endif
 
-	local_table = fib_get_table(&init_net, RT_TABLE_LOCAL);
+	local_table = fib_get_table(net, RT_TABLE_LOCAL);
 	if (!local_table || local_table->tb_lookup(local_table, &fl, &res))
 		return NULL;
 	if (res.type != RTN_LOCAL)

net/ipv4/igmp.c

@@ -1395,7 +1395,7 @@ static struct in_device * ip_mc_find_dev(struct ip_mreqn *imr)
 		return idev;
 	}
 	if (imr->imr_address.s_addr) {
-		dev = ip_dev_find(imr->imr_address.s_addr);
+		dev = ip_dev_find(&init_net, imr->imr_address.s_addr);
 		if (!dev)
 			return NULL;
 		dev_put(dev);

net/ipv4/ip_sockglue.c

@@ -594,7 +594,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
 				err = 0;
 				break;
 			}
-			dev = ip_dev_find(mreq.imr_address.s_addr);
+			dev = ip_dev_find(&init_net, mreq.imr_address.s_addr);
 			if (dev) {
 				mreq.imr_ifindex = dev->ifindex;
 				dev_put(dev);

net/ipv4/ipmr.c

@@ -423,7 +423,7 @@ static int vif_add(struct vifctl *vifc, int mrtsock)
 			return -ENOBUFS;
 		break;
 	case 0:
-		dev = ip_dev_find(vifc->vifc_lcl_addr.s_addr);
+		dev = ip_dev_find(&init_net, vifc->vifc_lcl_addr.s_addr);
 		if (!dev)
 			return -EADDRNOTAVAIL;
 		dev_put(dev);

net/ipv4/route.c

@@ -2282,14 +2282,14 @@ static int ip_route_output_slow(struct rtable **rp, const struct flowi *oldflp)
 			goto out;
 
 		/* It is equivalent to inet_addr_type(saddr) == RTN_LOCAL */
-		dev_out = ip_dev_find(oldflp->fl4_src);
+		dev_out = ip_dev_find(&init_net, oldflp->fl4_src);
 		if (dev_out == NULL)
 			goto out;
 
 		/* I removed check for oif == dev_out->oif here.
 		   It was wrong for two reasons:
-		   1. ip_dev_find(saddr) can return wrong iface, if saddr is
-		      assigned to multiple interfaces.
+		   1. ip_dev_find(net, saddr) can return wrong iface, if saddr
+		      is assigned to multiple interfaces.
 		   2. Moreover, we are allowed to send packets with saddr
 		      of another iface. --ANK
 		 */