sit: fix an oops when IFLA_IPTUN_PROTO is not set · c2ff682a6f - Gogs

sit: fix an oops when IFLA_IPTUN_PROTO is not set

The use of this attribute has been added in 32b8a8e59c9c (sit: add IPv4 over
IPv4 support). It is optional, by default proto is IPPROTO_IPV6.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Nicolas Dichtel 12 years ago

parent

eea86af6b1

commit

c2ff682a6f

1 changed files with 1 additions and 1 deletions

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							+ 1
							
							- 1
						
net/ipv6/sit.c
							 
								View File
							
				@@ -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]);