[GENETLINK]: Fix adjustment of number of multicast groups

The current calculation of the maximum number of genetlink
multicast groups seems odd, fix it.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index 61d65569e2b..457a2873bb0 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -184,7 +184,7 @@ int genl_register_mc_group(struct genl_family *family,
         }
 
         err = netlink_change_ngroups(genl_sock,
-                                     sizeof(unsigned long) * NETLINK_GENERIC);
+                                     mc_groups_longs * BITS_PER_LONG);
         if (err)
                 goto out;