[NETLINK]: Add "groups" argument to netlink_kernel_create

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

1 files changed, 4 insertions, 2 deletions

diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 47e791738014..e259f46e26f7 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1204,7 +1204,9 @@ static void netlink_data_ready(struct sock *sk, int len)
  */
 
 struct sock *
-netlink_kernel_create(int unit, void (*input)(struct sock *sk, int len), struct module *module)
+netlink_kernel_create(int unit, unsigned int groups,
+                      void (*input)(struct sock *sk, int len),
+                      struct module *module)
 {
         struct socket *sock;
         struct sock *sk;
@@ -1234,7 +1236,7 @@ netlink_kernel_create(int unit, void (*input)(struct sock *sk, int len), struct
         nlk->flags |= NETLINK_KERNEL_SOCKET;
 
         netlink_table_grab();
-        nl_table[unit].groups = 32;
+        nl_table[unit].groups = groups < 32 ? 32 : groups;
         nl_table[unit].module = module;
         nl_table[unit].registered = 1;
         netlink_table_ungrab();