[IPV6]: Fixes sparse warning in ipv6/ipv6_sockglue.c

The patch below fixes the following sparse warning:

net/ipv6/ipv6_sockglue.c:291:13: warning: Using plain integer as NULL pointer

Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 003fd99ff597d6f4332008c90f6bdcb2b9e80493..25757ade989f50d23bf2e7d948d1286918678070 100644 (file)
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -287,7 +287,7 @@ int ipv6_setsockopt(struct sock *sk, int level, int optname,
        {
                struct ipv6_txoptions *opt;
                if (optlen == 0)
-                       optval = 0;
+                       optval = NULL;
 
                /* hop-by-hop / destination options are privileged option */
                retv = -EPERM;