net: drop capability from protocol definitions

struct can_proto had a capability field which wasn't ever used.  It is
dropped entirely.

struct inet_protosw had a capability field which can be more clearly
expressed in the code by just checking if sock->type = SOCK_RAW.

Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 0 insertions, 7 deletions

diff --git a/net/can/af_can.c b/net/can/af_can.c
index 3f2eb27e1ffb..9c0426dc3184 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -160,11 +160,6 @@ static int can_create(struct net *net, struct socket *sock, int protocol)
                 goto errout;
         }
 
-        if (cp->capability >= 0 && !capable(cp->capability)) {
-                err = -EPERM;
-                goto errout;
-        }
-
         sock->ops = cp->ops;
 
         sk = sk_alloc(net, PF_CAN, GFP_KERNEL, cp->prot);
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 2f47039c79dd..67b5433db13b 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -1576,7 +1576,6 @@ static struct proto bcm_proto __read_mostly = {
 static struct can_proto bcm_can_proto __read_mostly = {
         .type       = SOCK_DGRAM,
         .protocol   = CAN_BCM,
-        .capability = -1,
         .ops        = &bcm_ops,
         .prot       = &bcm_proto,
 };
diff --git a/net/can/raw.c b/net/can/raw.c
index 6e77db58b9e6..abca920440b5 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -742,7 +742,6 @@ static struct proto raw_proto __read_mostly = {
 static struct can_proto raw_can_proto __read_mostly = {
         .type       = SOCK_RAW,
         .protocol   = CAN_RAW,
-        .capability = -1,
         .ops        = &raw_ops,
         .prot       = &raw_proto,
 };