[NETFILTER]: Fix ip6tables breakage from {get,set}sockopt compat layer

do_ipv6_getsockopt returns -EINVAL for unknown options, not
-ENOPROTOOPT as do_ipv6_setsockopt.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 602feec4773..4c20eeb3d56 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -907,7 +907,7 @@ int ipv6_getsockopt(struct sock *sk, int level, int optname,
         err = do_ipv6_getsockopt(sk, level, optname, optval, optlen);
 #ifdef CONFIG_NETFILTER
         /* we need to exclude all possible EINVALs except default case */
-        if (err == -ENOPROTOOPT && optname != IPV6_ADDRFORM &&
+        if (err == -EINVAL && optname != IPV6_ADDRFORM &&
                         optname != MCAST_MSFILTER) {
                 int len;
 
@@ -944,7 +944,7 @@ int compat_ipv6_getsockopt(struct sock *sk, int level, int optname,
         err = do_ipv6_getsockopt(sk, level, optname, optval, optlen);
 #ifdef CONFIG_NETFILTER
         /* we need to exclude all possible EINVALs except default case */
-        if (err == -ENOPROTOOPT && optname != IPV6_ADDRFORM &&
+        if (err == -EINVAL && optname != IPV6_ADDRFORM &&
                         optname != MCAST_MSFILTER) {
                 int len;