security: remove the security_netlink_recv hook as it is equivalent to capable()

Once upon a time netlink was not sync and we had to get the effective
capabilities from the skb that was being received.  Today we instead get
the capabilities from the current task.  This has rendered the entire
purpose of the hook moot as it is now functionally equivalent to the
capable() call.

Signed-off-by: Eric Paris <eparis@redhat.com>

1 files changed, 0 insertions, 6 deletions

diff --git a/security/security.c b/security/security.c
index 8900c5c4db5c..85481a9c5632 100644
--- a/security/security.c
+++ b/security/security.c
@@ -922,12 +922,6 @@ int security_netlink_send(struct sock *sk, struct sk_buff *skb)
         return security_ops->netlink_send(sk, skb);
 }
 
-int security_netlink_recv(struct sk_buff *skb, int cap)
-{
-        return security_ops->netlink_recv(skb, cap);
-}
-EXPORT_SYMBOL(security_netlink_recv);
-
 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
 {
         return security_ops->secid_to_secctx(secid, secdata, seclen);