Revert "genetlink: remove genl_bind"

This reverts commit 7b42410d35 which is
commit 1e82a62fec613844da9e558f3493540a5b7a7b67 upstream.

It breaks the API and isn't something we should really have to worry
about in android devices.

Signed-off-by: Greg Kroah-Hartman <[email protected]>
Change-Id: I4ec83063705a9f0fe449ff46803f6594b69efd08
This commit is contained in:
Greg Kroah-Hartman 2020-07-22 17:50:56 +02:00
commit 68815d5b7e
2 changed files with 57 additions and 0 deletions

View file

@ -35,6 +35,12 @@ struct genl_info;
* do additional, common, filtering and return an error
* @post_doit: called after an operation's doit callback, it may
* undo operations done by pre_doit, for example release locks
* @mcast_bind: a socket bound to the given multicast group (which
* is given as the offset into the groups array)
* @mcast_unbind: a socket was unbound from the given multicast group.
* Note that unbind() will not be called symmetrically if the
* generic netlink family is removed while there are still open
* sockets.
* @attrbuf: buffer to store parsed attributes (private)
* @mcgrps: multicast groups used by this family
* @n_mcgrps: number of multicast groups
@ -58,6 +64,8 @@ struct genl_family {
void (*post_doit)(const struct genl_ops *ops,
struct sk_buff *skb,
struct genl_info *info);
int (*mcast_bind)(struct net *net, int group);
void (*mcast_unbind)(struct net *net, int group);
struct nlattr ** attrbuf; /* private */
const struct genl_ops * ops;
const struct genl_multicast_group *mcgrps;