genetlink: statically initialize families

Instead of providing macros/inline functions to initialize
the families, make all users initialize them statically and
get rid of the macros.

This reduces the kernel code size by about 1.6k on x86-64
(with allyesconfig).

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ieee802154/netlink.c

@@ -28,13 +28,6 @@
 static unsigned int ieee802154_seq_num;
 static DEFINE_SPINLOCK(ieee802154_seq_lock);
 
-struct genl_family nl802154_family = {
-	.hdrsize	= 0,
-	.name		= IEEE802154_NL_NAME,
-	.version	= 1,
-	.maxattr	= IEEE802154_ATTR_MAX,
-};
-
 /* Requests to userspace */
 struct sk_buff *ieee802154_nl_create(int flags, u8 req)
 {
@@ -138,11 +131,21 @@ static const struct genl_multicast_group ieee802154_mcgrps[] = {
 	[IEEE802154_BEACON_MCGRP] = { .name = IEEE802154_MCAST_BEACON_NAME, },
 };
 
+struct genl_family nl802154_family = {
+	.hdrsize	= 0,
+	.name		= IEEE802154_NL_NAME,
+	.version	= 1,
+	.maxattr	= IEEE802154_ATTR_MAX,
+	.module		= THIS_MODULE,
+	.ops		= ieee8021154_ops,
+	.n_ops		= ARRAY_SIZE(ieee8021154_ops),
+	.mcgrps		= ieee802154_mcgrps,
+	.n_mcgrps	= ARRAY_SIZE(ieee802154_mcgrps),
+};
+
 int __init ieee802154_nl_init(void)
 {
-	return genl_register_family_with_ops_groups(&nl802154_family,
-						    ieee8021154_ops,
-						    ieee802154_mcgrps);
+	return genl_register_family(&nl802154_family);
 }
 
 void ieee802154_nl_exit(void)

net/ieee802154/nl802154.c

@@ -26,22 +26,8 @@
 #include "rdev-ops.h"
 #include "core.h"
 
-static int nl802154_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
-			     struct genl_info *info);
-
-static void nl802154_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
-			       struct genl_info *info);
-
 /* the netlink family */
-static struct genl_family nl802154_fam = {
-	.name = NL802154_GENL_NAME,	/* have users key off the name instead */
-	.hdrsize = 0,			/* no private header */
-	.version = 1,			/* no particular meaning now */
-	.maxattr = NL802154_ATTR_MAX,
-	.netnsok = true,
-	.pre_doit = nl802154_pre_doit,
-	.post_doit = nl802154_post_doit,
-};
+static struct genl_family nl802154_fam;
 
 /* multicast groups */
 enum nl802154_multicast_groups {
@@ -2476,11 +2462,25 @@ static const struct genl_ops nl802154_ops[] = {
 #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
 };
 
+static struct genl_family nl802154_fam = {
+	.name = NL802154_GENL_NAME,	/* have users key off the name instead */
+	.hdrsize = 0,			/* no private header */
+	.version = 1,			/* no particular meaning now */
+	.maxattr = NL802154_ATTR_MAX,
+	.netnsok = true,
+	.pre_doit = nl802154_pre_doit,
+	.post_doit = nl802154_post_doit,
+	.module = THIS_MODULE,
+	.ops = nl802154_ops,
+	.n_ops = ARRAY_SIZE(nl802154_ops),
+	.mcgrps = nl802154_mcgrps,
+	.n_mcgrps = ARRAY_SIZE(nl802154_mcgrps),
+};
+
 /* initialisation/exit functions */
 int nl802154_init(void)
 {
-	return genl_register_family_with_ops_groups(&nl802154_fam, nl802154_ops,
-						    nl802154_mcgrps);
+	return genl_register_family(&nl802154_fam);
 }
 
 void nl802154_exit(void)