Merge tag 'staging-4.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...

[firefly-linux-kernel-4.4.55.git] / drivers / net / geneve.c

diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index 8f5c02eed47de09883b43b8b587717993064ef0b..cde29f8a37bfebe036273f3a76bbc24b0e034fff 100644 (file)
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -870,14 +870,14 @@ static int geneve_newlink(struct net *net, struct net_device *dev,
        __be16 dst_port = htons(GENEVE_UDP_PORT);
        __u8 ttl = 0, tos = 0;
        bool metadata = false;
-       __be32 rem_addr;
-       __u32 vni;
+       __be32 rem_addr = 0;
+       __u32 vni = 0;
 
-       if (!data[IFLA_GENEVE_ID] || !data[IFLA_GENEVE_REMOTE])
-               return -EINVAL;
+       if (data[IFLA_GENEVE_ID])
+               vni = nla_get_u32(data[IFLA_GENEVE_ID]);
 
-       vni = nla_get_u32(data[IFLA_GENEVE_ID]);
-       rem_addr = nla_get_in_addr(data[IFLA_GENEVE_REMOTE]);
+       if (data[IFLA_GENEVE_REMOTE])
+               rem_addr = nla_get_in_addr(data[IFLA_GENEVE_REMOTE]);
 
        if (data[IFLA_GENEVE_TTL])
                ttl = nla_get_u8(data[IFLA_GENEVE_TTL]);