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authorJohannes Berg <johannes.berg@intel.com>2016-10-24 15:40:02 +0300
committerDavid S. Miller <davem@davemloft.net>2016-10-27 23:16:09 +0300
commita07ea4d9941af5a0c6f0be2a71b51ac9c083c5e5 (patch)
tree52d22e6ed0079bb5a78d610c2ee33a783f070553 /net/ieee802154
parentc90c39dab3e02ce45427a214746711f33ad13be6 (diff)
downloadlinux-a07ea4d9941af5a0c6f0be2a71b51ac9c083c5e5.tar.xz
genetlink: no longer support using static family IDs
Static family IDs have never really been used, the only use case was the workaround I introduced for those users that assumed their family ID was also their multicast group ID. Additionally, because static family IDs would never be reserved by the generic netlink code, using a relatively low ID would only work for built-in families that can be registered immediately after generic netlink is started, which is basically only the control family (apart from the workaround code, which I also had to add code for so it would reserve those IDs) Thus, anything other than GENL_ID_GENERATE is flawed and luckily not used except in the cases I mentioned. Move those workarounds into a few lines of code, and then get rid of GENL_ID_GENERATE entirely, making it more robust. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ieee802154')
-rw-r--r--net/ieee802154/netlink.c1
-rw-r--r--net/ieee802154/nl802154.c1
2 files changed, 0 insertions, 2 deletions
diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c
index c8133c07ceee..19144158b696 100644
--- a/net/ieee802154/netlink.c
+++ b/net/ieee802154/netlink.c
@@ -29,7 +29,6 @@ static unsigned int ieee802154_seq_num;
static DEFINE_SPINLOCK(ieee802154_seq_lock);
struct genl_family nl802154_family = {
- .id = GENL_ID_GENERATE,
.hdrsize = 0,
.name = IEEE802154_NL_NAME,
.version = 1,
diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c
index 21aabadccd0e..182299858f1d 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -34,7 +34,6 @@ static void nl802154_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
/* the netlink family */
static struct genl_family nl802154_fam = {
- .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */
.name = NL802154_GENL_NAME, /* have users key off the name instead */
.hdrsize = 0, /* no private header */
.version = 1, /* no particular meaning now */