net: make ->{get,set}sockopt in proto_ops optional

Just check for a NULL method instead of wiring up
sock_no_{get,set}sockopt.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

crypto/af_alg.c

@@ -335,7 +335,6 @@ static const struct proto_ops alg_proto_ops = {
 	.ioctl		=	sock_no_ioctl,
 	.listen		=	sock_no_listen,
 	.shutdown	=	sock_no_shutdown,
-	.getsockopt	=	sock_no_getsockopt,
 	.mmap		=	sock_no_mmap,
 	.sendpage	=	sock_no_sendpage,
 	.sendmsg	=	sock_no_sendmsg,

crypto/algif_aead.c

@@ -361,11 +361,9 @@ static struct proto_ops algif_aead_ops = {
 	.ioctl		=	sock_no_ioctl,
 	.listen		=	sock_no_listen,
 	.shutdown	=	sock_no_shutdown,
-	.getsockopt	=	sock_no_getsockopt,
 	.mmap		=	sock_no_mmap,
 	.bind		=	sock_no_bind,
 	.accept		=	sock_no_accept,
-	.setsockopt	=	sock_no_setsockopt,
 
 	.release	=	af_alg_release,
 	.sendmsg	=	aead_sendmsg,
@@ -454,11 +452,9 @@ static struct proto_ops algif_aead_ops_nokey = {
 	.ioctl		=	sock_no_ioctl,
 	.listen		=	sock_no_listen,
 	.shutdown	=	sock_no_shutdown,
-	.getsockopt	=	sock_no_getsockopt,
 	.mmap		=	sock_no_mmap,
 	.bind		=	sock_no_bind,
 	.accept		=	sock_no_accept,
-	.setsockopt	=	sock_no_setsockopt,
 
 	.release	=	af_alg_release,
 	.sendmsg	=	aead_sendmsg_nokey,

crypto/algif_hash.c

@@ -279,10 +279,8 @@ static struct proto_ops algif_hash_ops = {
 	.ioctl		=	sock_no_ioctl,
 	.listen		=	sock_no_listen,
 	.shutdown	=	sock_no_shutdown,
-	.getsockopt	=	sock_no_getsockopt,
 	.mmap		=	sock_no_mmap,
 	.bind		=	sock_no_bind,
-	.setsockopt	=	sock_no_setsockopt,
 
 	.release	=	af_alg_release,
 	.sendmsg	=	hash_sendmsg,
@@ -383,10 +381,8 @@ static struct proto_ops algif_hash_ops_nokey = {
 	.ioctl		=	sock_no_ioctl,
 	.listen		=	sock_no_listen,
 	.shutdown	=	sock_no_shutdown,
-	.getsockopt	=	sock_no_getsockopt,
 	.mmap		=	sock_no_mmap,
 	.bind		=	sock_no_bind,
-	.setsockopt	=	sock_no_setsockopt,
 
 	.release	=	af_alg_release,
 	.sendmsg	=	hash_sendmsg_nokey,

crypto/algif_rng.c

@@ -101,11 +101,9 @@ static struct proto_ops algif_rng_ops = {
 	.ioctl		=	sock_no_ioctl,
 	.listen		=	sock_no_listen,
 	.shutdown	=	sock_no_shutdown,
-	.getsockopt	=	sock_no_getsockopt,
 	.mmap		=	sock_no_mmap,
 	.bind		=	sock_no_bind,
 	.accept		=	sock_no_accept,
-	.setsockopt	=	sock_no_setsockopt,
 	.sendmsg	=	sock_no_sendmsg,
 	.sendpage	=	sock_no_sendpage,
 

crypto/algif_skcipher.c

@@ -188,11 +188,9 @@ static struct proto_ops algif_skcipher_ops = {
 	.ioctl		=	sock_no_ioctl,
 	.listen		=	sock_no_listen,
 	.shutdown	=	sock_no_shutdown,
-	.getsockopt	=	sock_no_getsockopt,
 	.mmap		=	sock_no_mmap,
 	.bind		=	sock_no_bind,
 	.accept		=	sock_no_accept,
-	.setsockopt	=	sock_no_setsockopt,
 
 	.release	=	af_alg_release,
 	.sendmsg	=	skcipher_sendmsg,
@@ -281,11 +279,9 @@ static struct proto_ops algif_skcipher_ops_nokey = {
 	.ioctl		=	sock_no_ioctl,
 	.listen		=	sock_no_listen,
 	.shutdown	=	sock_no_shutdown,
-	.getsockopt	=	sock_no_getsockopt,
 	.mmap		=	sock_no_mmap,
 	.bind		=	sock_no_bind,
 	.accept		=	sock_no_accept,
-	.setsockopt	=	sock_no_setsockopt,
 
 	.release	=	af_alg_release,
 	.sendmsg	=	skcipher_sendmsg_nokey,

drivers/isdn/mISDN/socket.c

@@ -738,8 +738,6 @@ static const struct proto_ops base_sock_ops = {
 	.recvmsg	= sock_no_recvmsg,
 	.listen		= sock_no_listen,
 	.shutdown	= sock_no_shutdown,
-	.setsockopt	= sock_no_setsockopt,
-	.getsockopt	= sock_no_getsockopt,
 	.connect	= sock_no_connect,
 	.socketpair	= sock_no_socketpair,
 	.accept		= sock_no_accept,

drivers/net/ppp/pppoe.c

@@ -1110,8 +1110,6 @@ static const struct proto_ops pppoe_ops = {
 	.poll		= datagram_poll,
 	.listen		= sock_no_listen,
 	.shutdown	= sock_no_shutdown,
-	.setsockopt	= sock_no_setsockopt,
-	.getsockopt	= sock_no_getsockopt,
 	.sendmsg	= pppoe_sendmsg,
 	.recvmsg	= pppoe_recvmsg,
 	.mmap		= sock_no_mmap,

drivers/net/ppp/pptp.c

@@ -618,8 +618,6 @@ static const struct proto_ops pptp_ops = {
 	.getname    = pptp_getname,
 	.listen     = sock_no_listen,
 	.shutdown   = sock_no_shutdown,
-	.setsockopt = sock_no_setsockopt,
-	.getsockopt = sock_no_getsockopt,
 	.sendmsg    = sock_no_sendmsg,
 	.recvmsg    = sock_no_recvmsg,
 	.mmap       = sock_no_mmap,

include/net/sock.h

@@ -1714,8 +1714,6 @@ int sock_no_getname(struct socket *, struct sockaddr *, int);
 int sock_no_ioctl(struct socket *, unsigned int, unsigned long);
 int sock_no_listen(struct socket *, int);
 int sock_no_shutdown(struct socket *, int);
-int sock_no_getsockopt(struct socket *, int , int, char __user *, int __user *);
-int sock_no_setsockopt(struct socket *, int, int, char __user *, unsigned int);
 int sock_no_sendmsg(struct socket *, struct msghdr *, size_t);
 int sock_no_sendmsg_locked(struct sock *sk, struct msghdr *msg, size_t len);
 int sock_no_recvmsg(struct socket *, struct msghdr *, size_t, int);

net/appletalk/ddp.c

@@ -1917,8 +1917,6 @@ static const struct proto_ops atalk_dgram_ops = {
 #endif
 	.listen		= sock_no_listen,
 	.shutdown	= sock_no_shutdown,
-	.setsockopt	= sock_no_setsockopt,
-	.getsockopt	= sock_no_getsockopt,
 	.sendmsg	= atalk_sendmsg,
 	.recvmsg	= atalk_recvmsg,
 	.mmap		= sock_no_mmap,

net/bluetooth/bnep/sock.c

@@ -182,8 +182,6 @@ static const struct proto_ops bnep_sock_ops = {
 	.recvmsg	= sock_no_recvmsg,
 	.listen		= sock_no_listen,
 	.shutdown	= sock_no_shutdown,
-	.setsockopt	= sock_no_setsockopt,
-	.getsockopt	= sock_no_getsockopt,
 	.connect	= sock_no_connect,
 	.socketpair	= sock_no_socketpair,
 	.accept		= sock_no_accept,

net/bluetooth/cmtp/sock.c

@@ -185,8 +185,6 @@ static const struct proto_ops cmtp_sock_ops = {
 	.recvmsg	= sock_no_recvmsg,
 	.listen		= sock_no_listen,
 	.shutdown	= sock_no_shutdown,
-	.setsockopt	= sock_no_setsockopt,
-	.getsockopt	= sock_no_getsockopt,
 	.connect	= sock_no_connect,
 	.socketpair	= sock_no_socketpair,
 	.accept		= sock_no_accept,

net/bluetooth/hidp/sock.c

@@ -233,8 +233,6 @@ static const struct proto_ops hidp_sock_ops = {
 	.recvmsg	= sock_no_recvmsg,
 	.listen		= sock_no_listen,
 	.shutdown	= sock_no_shutdown,
-	.setsockopt	= sock_no_setsockopt,
-	.getsockopt	= sock_no_getsockopt,
 	.connect	= sock_no_connect,
 	.socketpair	= sock_no_socketpair,
 	.accept		= sock_no_accept,

net/caif/caif_socket.c

@@ -981,7 +981,6 @@ static const struct proto_ops caif_seqpacket_ops = {
 	.listen = sock_no_listen,
 	.shutdown = sock_no_shutdown,
 	.setsockopt = setsockopt,
-	.getsockopt = sock_no_getsockopt,
 	.sendmsg = caif_seqpkt_sendmsg,
 	.recvmsg = caif_seqpkt_recvmsg,
 	.mmap = sock_no_mmap,
@@ -1002,7 +1001,6 @@ static const struct proto_ops caif_stream_ops = {
 	.listen = sock_no_listen,
 	.shutdown = sock_no_shutdown,
 	.setsockopt = setsockopt,
-	.getsockopt = sock_no_getsockopt,
 	.sendmsg = caif_stream_sendmsg,
 	.recvmsg = caif_stream_recvmsg,
 	.mmap = sock_no_mmap,

net/can/bcm.c

@@ -1648,8 +1648,6 @@ static const struct proto_ops bcm_ops = {
 	.gettstamp     = sock_gettstamp,
 	.listen        = sock_no_listen,
 	.shutdown      = sock_no_shutdown,
-	.setsockopt    = sock_no_setsockopt,
-	.getsockopt    = sock_no_getsockopt,
 	.sendmsg       = bcm_sendmsg,
 	.recvmsg       = bcm_recvmsg,
 	.mmap          = sock_no_mmap,

net/core/sock.c

@@ -2783,20 +2783,6 @@ int sock_no_shutdown(struct socket *sock, int how)
 }
 EXPORT_SYMBOL(sock_no_shutdown);
 
-int sock_no_setsockopt(struct socket *sock, int level, int optname,
-		    char __user *optval, unsigned int optlen)
-{
-	return -EOPNOTSUPP;
-}
-EXPORT_SYMBOL(sock_no_setsockopt);
-
-int sock_no_getsockopt(struct socket *sock, int level, int optname,
-		    char __user *optval, int __user *optlen)
-{
-	return -EOPNOTSUPP;
-}
-EXPORT_SYMBOL(sock_no_getsockopt);
-
 int sock_no_sendmsg(struct socket *sock, struct msghdr *m, size_t len)
 {
 	return -EOPNOTSUPP;

net/key/af_key.c

@@ -3734,8 +3734,6 @@ static const struct proto_ops pfkey_ops = {
 	.ioctl		=	sock_no_ioctl,
 	.listen		=	sock_no_listen,
 	.shutdown	=	sock_no_shutdown,
-	.setsockopt	=	sock_no_setsockopt,
-	.getsockopt	=	sock_no_getsockopt,
 	.mmap		=	sock_no_mmap,
 	.sendpage	=	sock_no_sendpage,
 

net/nfc/llcp_sock.c

@@ -921,8 +921,6 @@ static const struct proto_ops llcp_rawsock_ops = {
 	.ioctl          = sock_no_ioctl,
 	.listen         = sock_no_listen,
 	.shutdown       = sock_no_shutdown,
-	.setsockopt     = sock_no_setsockopt,
-	.getsockopt     = sock_no_getsockopt,
 	.sendmsg        = sock_no_sendmsg,
 	.recvmsg        = llcp_sock_recvmsg,
 	.mmap           = sock_no_mmap,

net/nfc/rawsock.c

@@ -276,8 +276,6 @@ static const struct proto_ops rawsock_ops = {
 	.ioctl          = sock_no_ioctl,
 	.listen         = sock_no_listen,
 	.shutdown       = sock_no_shutdown,
-	.setsockopt     = sock_no_setsockopt,
-	.getsockopt     = sock_no_getsockopt,
 	.sendmsg        = rawsock_sendmsg,
 	.recvmsg        = rawsock_recvmsg,
 	.mmap           = sock_no_mmap,
@@ -296,8 +294,6 @@ static const struct proto_ops rawsock_raw_ops = {
 	.ioctl          = sock_no_ioctl,
 	.listen         = sock_no_listen,
 	.shutdown       = sock_no_shutdown,
-	.setsockopt     = sock_no_setsockopt,
-	.getsockopt     = sock_no_getsockopt,
 	.sendmsg        = sock_no_sendmsg,
 	.recvmsg        = rawsock_recvmsg,
 	.mmap           = sock_no_mmap,

net/packet/af_packet.c

@@ -4503,8 +4503,6 @@ static const struct proto_ops packet_ops_spkt = {
 	.gettstamp =	sock_gettstamp,
 	.listen =	sock_no_listen,
 	.shutdown =	sock_no_shutdown,
-	.setsockopt =	sock_no_setsockopt,
-	.getsockopt =	sock_no_getsockopt,
 	.sendmsg =	packet_sendmsg_spkt,
 	.recvmsg =	packet_recvmsg,
 	.mmap =		sock_no_mmap,