1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 6cee844678e2..f639866b3dcf 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1296,7 +1296,7 @@ static int ipip6_validate(struct nlattr *tb[], struct nlattr *data[])
 {
         u8 proto;
 
-        if (!data)
+        if (!data || !data[IFLA_IPTUN_PROTO])
                 return 0;
 
         proto = nla_get_u8(data[IFLA_IPTUN_PROTO]);