From: Richard Guy Briggs Date: Wed, 23 Apr 2014 01:31:55 +0000 (-0400) Subject: netlink: implement unbind to netlink_setsockopt NETLINK_DROP_MEMBERSHIP X-Git-Tag: v3.16-rc1~27^2~340^2~3 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=7774d5e03f4a41ec7c1e736acc108f112003bb4a;p=linux.git netlink: implement unbind to netlink_setsockopt NETLINK_DROP_MEMBERSHIP Call the per-protocol unbind function rather than bind function on NETLINK_DROP_MEMBERSHIP in netlink_setsockopt(). Signed-off-by: Richard Guy Briggs Signed-off-by: David S. Miller --- diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 7e8d229bc010..92f4b6915e89 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -2129,7 +2129,7 @@ static int netlink_setsockopt(struct socket *sock, int level, int optname, return err; if (!val || val - 1 >= nlk->ngroups) return -EINVAL; - if (nlk->netlink_bind) { + if (optname == NETLINK_ADD_MEMBERSHIP && nlk->netlink_bind) { err = nlk->netlink_bind(val); if (err) return err; @@ -2138,6 +2138,8 @@ static int netlink_setsockopt(struct socket *sock, int level, int optname, netlink_update_socket_mc(nlk, val, optname == NETLINK_ADD_MEMBERSHIP); netlink_table_ungrab(); + if (optname == NETLINK_DROP_MEMBERSHIP && nlk->netlink_unbind) + nlk->netlink_unbind(val); err = 0; break;