[PATCH 3/3] veth: Set ifindex only if given and not negative

[Serhey Popovych]

There is already check for ifindex being non negative in
register_netdevice(). Do the same here for convenience.

Fixes: e6f8f1a739b6 ("veth: Allow to create peer link with given ifindex")
Signed-off-by: Serhey Popovych <serhe.popov...@gmail.com>
---
 drivers/net/veth.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index 0156fe8..0689433 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -405,7 +405,7 @@ static int veth_newlink(struct net *src_net, struct 
net_device *dev,
        if (tbp[IFLA_ADDRESS] == NULL)
                eth_hw_addr_random(peer);
 
-       if (ifmp && (dev->ifindex != 0))
+       if (ifmp && dev->ifindex > 0)
                peer->ifindex = ifmp->ifi_index;
 
        err = register_netdevice(peer);
-- 
1.8.3.1