diff options
author | Christoph Hellwig <hch@lst.de> | 2020-07-17 08:23:31 +0200 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2020-07-20 03:16:41 +0200 |
commit | a44d9e72100f7044ac46e4e6dc475f5b4097830f (patch) | |
tree | 1bf043e2d02b8e00b1d54952b3e3799b1be79efa | |
parent | net/ipv6: remove compat_ipv6_{get,set}sockopt (diff) | |
download | linux-a44d9e72100f7044ac46e4e6dc475f5b4097830f.tar.xz linux-a44d9e72100f7044ac46e4e6dc475f5b4097830f.zip |
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>
-rw-r--r-- | crypto/af_alg.c | 1 | ||||
-rw-r--r-- | crypto/algif_aead.c | 4 | ||||
-rw-r--r-- | crypto/algif_hash.c | 4 | ||||
-rw-r--r-- | crypto/algif_rng.c | 2 | ||||
-rw-r--r-- | crypto/algif_skcipher.c | 4 | ||||
-rw-r--r-- | drivers/isdn/mISDN/socket.c | 2 | ||||
-rw-r--r-- | drivers/net/ppp/pppoe.c | 2 | ||||
-rw-r--r-- | drivers/net/ppp/pptp.c | 2 | ||||
-rw-r--r-- | include/net/sock.h | 2 | ||||
-rw-r--r-- | net/appletalk/ddp.c | 2 | ||||
-rw-r--r-- | net/bluetooth/bnep/sock.c | 2 | ||||
-rw-r--r-- | net/bluetooth/cmtp/sock.c | 2 | ||||
-rw-r--r-- | net/bluetooth/hidp/sock.c | 2 | ||||
-rw-r--r-- | net/caif/caif_socket.c | 2 | ||||
-rw-r--r-- | net/can/bcm.c | 2 | ||||
-rw-r--r-- | net/core/sock.c | 14 | ||||
-rw-r--r-- | net/key/af_key.c | 2 | ||||
-rw-r--r-- | net/nfc/llcp_sock.c | 2 | ||||
-rw-r--r-- | net/nfc/rawsock.c | 4 | ||||
-rw-r--r-- | net/packet/af_packet.c | 2 | ||||
-rw-r--r-- | net/phonet/socket.c | 2 | ||||
-rw-r--r-- | net/qrtr/qrtr.c | 2 | ||||
-rw-r--r-- | net/smc/af_smc.c | 9 | ||||
-rw-r--r-- | net/socket.c | 4 | ||||
-rw-r--r-- | net/unix/af_unix.c | 6 | ||||
-rw-r--r-- | net/vmw_vsock/af_vsock.c | 2 |
26 files changed, 11 insertions, 73 deletions
diff --git a/crypto/af_alg.c b/crypto/af_alg.c index 28fc323e3fe3..29f71428520b 100644 --- a/crypto/af_alg.c +++ b/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, diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c index 0ae000a61c7f..527d09a69462 100644 --- a/crypto/algif_aead.c +++ b/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, diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c index e71727c25a7d..50f7b22f1b48 100644 --- a/crypto/algif_hash.c +++ b/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, diff --git a/crypto/algif_rng.c b/crypto/algif_rng.c index 087c0ad09d38..6300e0566dc5 100644 --- a/crypto/algif_rng.c +++ b/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, diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c index ec5567c87a6d..c487887f4671 100644 --- a/crypto/algif_skcipher.c +++ b/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, diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c index dff4132b3702..1b2b91479107 100644 --- a/drivers/isdn/mISDN/socket.c +++ b/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, diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c index beedaad08255..d7f50b835050 100644 --- a/drivers/net/ppp/pppoe.c +++ b/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, diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c index acccb747aeda..ee5058445d06 100644 --- a/drivers/net/ppp/pptp.c +++ b/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, diff --git a/include/net/sock.h b/include/net/sock.h index 3bd8bc578bf3..62e18fc8ac9f 100644 --- a/include/net/sock.h +++ b/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); diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c index 15787e8c0629..1d48708c5a2e 100644 --- a/net/appletalk/ddp.c +++ b/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, diff --git a/net/bluetooth/bnep/sock.c b/net/bluetooth/bnep/sock.c index cfd83c5521ae..d515571b2afb 100644 --- a/net/bluetooth/bnep/sock.c +++ b/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, diff --git a/net/bluetooth/cmtp/sock.c b/net/bluetooth/cmtp/sock.c index defdd4871919..96d49d9fae96 100644 --- a/net/bluetooth/cmtp/sock.c +++ b/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, diff --git a/net/bluetooth/hidp/sock.c b/net/bluetooth/hidp/sock.c index 03be6a4baef3..595fb3c9d6c3 100644 --- a/net/bluetooth/hidp/sock.c +++ b/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, diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c index ef14da50a981..b94ecd931002 100644 --- a/net/caif/caif_socket.c +++ b/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, diff --git a/net/can/bcm.c b/net/can/bcm.c index c96fa0f33db3..d14ea12affb1 100644 --- a/net/can/bcm.c +++ b/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, diff --git a/net/core/sock.c b/net/core/sock.c index 48655d5c4cf3..d828bfe1c47d 100644 --- a/net/core/sock.c +++ b/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; diff --git a/net/key/af_key.c b/net/key/af_key.c index b67ed3a8486c..f13626c1a985 100644 --- a/net/key/af_key.c +++ b/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, diff --git a/net/nfc/llcp_sock.c b/net/nfc/llcp_sock.c index 28604414dec1..6da1e2334bb6 100644 --- a/net/nfc/llcp_sock.c +++ b/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, diff --git a/net/nfc/rawsock.c b/net/nfc/rawsock.c index ba5ffd3badd3..b2061b6746ea 100644 --- a/net/nfc/rawsock.c +++ b/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, diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 35aee9e98053..c240fb5de3f0 100644 --- a/net/packet/af_packet.c +++ b/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, diff --git a/net/phonet/socket.c b/net/phonet/socket.c index 87c60f83c180..2599235d592e 100644 --- a/net/phonet/socket.c +++ b/net/phonet/socket.c @@ -439,8 +439,6 @@ const struct proto_ops phonet_dgram_ops = { .ioctl = pn_socket_ioctl, .listen = sock_no_listen, .shutdown = sock_no_shutdown, - .setsockopt = sock_no_setsockopt, - .getsockopt = sock_no_getsockopt, .sendmsg = pn_socket_sendmsg, .recvmsg = sock_common_recvmsg, .mmap = sock_no_mmap, diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c index 24a8c3c6da0d..0cb4adfc6641 100644 --- a/net/qrtr/qrtr.c +++ b/net/qrtr/qrtr.c @@ -1208,8 +1208,6 @@ static const struct proto_ops qrtr_proto_ops = { .gettstamp = sock_gettstamp, .poll = datagram_poll, .shutdown = sock_no_shutdown, - .setsockopt = sock_no_setsockopt, - .getsockopt = sock_no_getsockopt, .release = qrtr_release, .mmap = sock_no_mmap, .sendpage = sock_no_sendpage, diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c index 903321543838..9711c9e0e515 100644 --- a/net/smc/af_smc.c +++ b/net/smc/af_smc.c @@ -1742,8 +1742,11 @@ static int smc_setsockopt(struct socket *sock, int level, int optname, /* generic setsockopts reaching us here always apply to the * CLC socket */ - rc = smc->clcsock->ops->setsockopt(smc->clcsock, level, optname, - optval, optlen); + if (unlikely(!smc->clcsock->ops->setsockopt)) + rc = -EOPNOTSUPP; + else + rc = smc->clcsock->ops->setsockopt(smc->clcsock, level, optname, + optval, optlen); if (smc->clcsock->sk->sk_err) { sk->sk_err = smc->clcsock->sk->sk_err; sk->sk_error_report(sk); @@ -1808,6 +1811,8 @@ static int smc_getsockopt(struct socket *sock, int level, int optname, smc = smc_sk(sock->sk); /* socket options apply to the CLC socket */ + if (unlikely(!smc->clcsock->ops->getsockopt)) + return -EOPNOTSUPP; return smc->clcsock->ops->getsockopt(smc->clcsock, level, optname, optval, optlen); } diff --git a/net/socket.c b/net/socket.c index dec345982abb..93846568c2fb 100644 --- a/net/socket.c +++ b/net/socket.c @@ -2131,6 +2131,8 @@ int __sys_setsockopt(int fd, int level, int optname, char __user *optval, if (level == SOL_SOCKET && !sock_use_custom_sol_socket(sock)) err = sock_setsockopt(sock, level, optname, optval, optlen); + else if (unlikely(!sock->ops->setsockopt)) + err = -EOPNOTSUPP; else err = sock->ops->setsockopt(sock, level, optname, optval, optlen); @@ -2175,6 +2177,8 @@ int __sys_getsockopt(int fd, int level, int optname, char __user *optval, if (level == SOL_SOCKET) err = sock_getsockopt(sock, level, optname, optval, optlen); + else if (unlikely(!sock->ops->getsockopt)) + err = -EOPNOTSUPP; else err = sock->ops->getsockopt(sock, level, optname, optval, optlen); diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 3385a7a0b231..181ea6fb56a6 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -714,8 +714,6 @@ static const struct proto_ops unix_stream_ops = { #endif .listen = unix_listen, .shutdown = unix_shutdown, - .setsockopt = sock_no_setsockopt, - .getsockopt = sock_no_getsockopt, .sendmsg = unix_stream_sendmsg, .recvmsg = unix_stream_recvmsg, .mmap = sock_no_mmap, @@ -741,8 +739,6 @@ static const struct proto_ops unix_dgram_ops = { #endif .listen = sock_no_listen, .shutdown = unix_shutdown, - .setsockopt = sock_no_setsockopt, - .getsockopt = sock_no_getsockopt, .sendmsg = unix_dgram_sendmsg, .recvmsg = unix_dgram_recvmsg, .mmap = sock_no_mmap, @@ -767,8 +763,6 @@ static const struct proto_ops unix_seqpacket_ops = { #endif .listen = unix_listen, .shutdown = unix_shutdown, - .setsockopt = sock_no_setsockopt, - .getsockopt = sock_no_getsockopt, .sendmsg = unix_seqpacket_sendmsg, .recvmsg = unix_seqpacket_recvmsg, .mmap = sock_no_mmap, diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index 626bf9044418..df204c6761c4 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -1202,8 +1202,6 @@ static const struct proto_ops vsock_dgram_ops = { .ioctl = sock_no_ioctl, .listen = sock_no_listen, .shutdown = vsock_shutdown, - .setsockopt = sock_no_setsockopt, - .getsockopt = sock_no_getsockopt, .sendmsg = vsock_dgram_sendmsg, .recvmsg = vsock_dgram_recvmsg, .mmap = sock_no_mmap, |