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authorChristoph Hellwig <hch@lst.de>2020-07-17 08:23:14 +0200
committerDavid S. Miller <davem@davemloft.net>2020-07-19 18:16:40 -0700
commit8c918ffbbad49454ed26c53eb1b90bf98bb5e394 (patch)
treecac191613d7fc8ea8636e04cbeea06c28a725115 /net
parentnet: simplify cBPF setsockopt compat handling (diff)
downloadlinux-dev-8c918ffbbad49454ed26c53eb1b90bf98bb5e394.tar.xz
linux-dev-8c918ffbbad49454ed26c53eb1b90bf98bb5e394.zip
net: remove compat_sock_common_{get,set}sockopt
Add the compat handling to sock_common_{get,set}sockopt instead, keyed of in_compat_syscall(). This allow to remove the now unused ->compat_{get,set}sockopt methods from struct proto_ops. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Matthieu Baerts <matthieu.baerts@tessares.net> Acked-by: Stefan Schmidt <stefan@datenfreihafen.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/core/sock.c30
-rw-r--r--net/dccp/ipv4.c4
-rw-r--r--net/dccp/ipv6.c2
-rw-r--r--net/ieee802154/socket.c8
-rw-r--r--net/ipv4/af_inet.c6
-rw-r--r--net/ipv6/af_inet6.c4
-rw-r--r--net/ipv6/ipv6_sockglue.c12
-rw-r--r--net/ipv6/raw.c2
-rw-r--r--net/l2tp/l2tp_ip.c4
-rw-r--r--net/l2tp/l2tp_ip6.c2
-rw-r--r--net/mptcp/protocol.c6
-rw-r--r--net/phonet/socket.c8
-rw-r--r--net/sctp/ipv6.c2
-rw-r--r--net/sctp/protocol.c4
14 files changed, 8 insertions, 86 deletions
diff --git a/net/core/sock.c b/net/core/sock.c
index e085df794825..018404d17626 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -3199,23 +3199,14 @@ int sock_common_getsockopt(struct socket *sock, int level, int optname,
{
struct sock *sk = sock->sk;
- return sk->sk_prot->getsockopt(sk, level, optname, optval, optlen);
-}
-EXPORT_SYMBOL(sock_common_getsockopt);
-
#ifdef CONFIG_COMPAT
-int compat_sock_common_getsockopt(struct socket *sock, int level, int optname,
- char __user *optval, int __user *optlen)
-{
- struct sock *sk = sock->sk;
-
- if (sk->sk_prot->compat_getsockopt != NULL)
+ if (in_compat_syscal() && sk->sk_prot->compat_getsockopt)
return sk->sk_prot->compat_getsockopt(sk, level, optname,
optval, optlen);
+#endif
return sk->sk_prot->getsockopt(sk, level, optname, optval, optlen);
}
-EXPORT_SYMBOL(compat_sock_common_getsockopt);
-#endif
+EXPORT_SYMBOL(sock_common_getsockopt);
int sock_common_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
int flags)
@@ -3240,23 +3231,14 @@ int sock_common_setsockopt(struct socket *sock, int level, int optname,
{
struct sock *sk = sock->sk;
- return sk->sk_prot->setsockopt(sk, level, optname, optval, optlen);
-}
-EXPORT_SYMBOL(sock_common_setsockopt);
-
#ifdef CONFIG_COMPAT
-int compat_sock_common_setsockopt(struct socket *sock, int level, int optname,
- char __user *optval, unsigned int optlen)
-{
- struct sock *sk = sock->sk;
-
- if (sk->sk_prot->compat_setsockopt != NULL)
+ if (in_compat_syscall() && sk->sk_prot->compat_setsockopt)
return sk->sk_prot->compat_setsockopt(sk, level, optname,
optval, optlen);
+#endif
return sk->sk_prot->setsockopt(sk, level, optname, optval, optlen);
}
-EXPORT_SYMBOL(compat_sock_common_setsockopt);
-#endif
+EXPORT_SYMBOL(sock_common_setsockopt);
void sk_common_release(struct sock *sk)
{
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index a7e989919c53..316cc5ac0da7 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -999,10 +999,6 @@ static const struct proto_ops inet_dccp_ops = {
.recvmsg = sock_common_recvmsg,
.mmap = sock_no_mmap,
.sendpage = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
-#endif
};
static struct inet_protosw dccp_v4_protosw = {
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 650187d68851..b50f85a72cd5 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -1083,8 +1083,6 @@ static const struct proto_ops inet6_dccp_ops = {
.sendpage = sock_no_sendpage,
#ifdef CONFIG_COMPAT
.compat_ioctl = inet6_compat_ioctl,
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
#endif
};
diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c
index d93d4531aa9b..94ae9662133e 100644
--- a/net/ieee802154/socket.c
+++ b/net/ieee802154/socket.c
@@ -423,10 +423,6 @@ static const struct proto_ops ieee802154_raw_ops = {
.recvmsg = sock_common_recvmsg,
.mmap = sock_no_mmap,
.sendpage = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
-#endif
};
/* DGRAM Sockets (802.15.4 dataframes) */
@@ -986,10 +982,6 @@ static const struct proto_ops ieee802154_dgram_ops = {
.recvmsg = sock_common_recvmsg,
.mmap = sock_no_mmap,
.sendpage = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
-#endif
};
/* Create a socket. Initialise the socket, blank the addresses
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index ff141d630bdf..4307503a6f0b 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1043,8 +1043,6 @@ const struct proto_ops inet_stream_ops = {
.sendpage_locked = tcp_sendpage_locked,
.peek_len = tcp_peek_len,
#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
.compat_ioctl = inet_compat_ioctl,
#endif
.set_rcvlowat = tcp_set_rcvlowat,
@@ -1073,8 +1071,6 @@ const struct proto_ops inet_dgram_ops = {
.sendpage = inet_sendpage,
.set_peek_off = sk_set_peek_off,
#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
.compat_ioctl = inet_compat_ioctl,
#endif
};
@@ -1105,8 +1101,6 @@ static const struct proto_ops inet_sockraw_ops = {
.mmap = sock_no_mmap,
.sendpage = inet_sendpage,
#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
.compat_ioctl = inet_compat_ioctl,
#endif
};
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index b304b882e031..0306509ab063 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -688,8 +688,6 @@ const struct proto_ops inet6_stream_ops = {
.peek_len = tcp_peek_len,
#ifdef CONFIG_COMPAT
.compat_ioctl = inet6_compat_ioctl,
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
#endif
.set_rcvlowat = tcp_set_rcvlowat,
};
@@ -717,8 +715,6 @@ const struct proto_ops inet6_dgram_ops = {
.set_peek_off = sk_set_peek_off,
#ifdef CONFIG_COMPAT
.compat_ioctl = inet6_compat_ioctl,
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
#endif
};
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 20576e87a5f7..6ab44ec2c369 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -914,12 +914,8 @@ int compat_ipv6_setsockopt(struct sock *sk, int level, int optname,
{
int err;
- if (level == SOL_IP && sk->sk_type != SOCK_RAW) {
- if (udp_prot.compat_setsockopt != NULL)
- return udp_prot.compat_setsockopt(sk, level, optname,
- optval, optlen);
+ if (level == SOL_IP && sk->sk_type != SOCK_RAW)
return udp_prot.setsockopt(sk, level, optname, optval, optlen);
- }
if (level != SOL_IPV6)
return -ENOPROTOOPT;
@@ -1480,12 +1476,8 @@ int compat_ipv6_getsockopt(struct sock *sk, int level, int optname,
{
int err;
- if (level == SOL_IP && sk->sk_type != SOCK_RAW) {
- if (udp_prot.compat_getsockopt != NULL)
- return udp_prot.compat_getsockopt(sk, level, optname,
- optval, optlen);
+ if (level == SOL_IP && sk->sk_type != SOCK_RAW)
return udp_prot.getsockopt(sk, level, optname, optval, optlen);
- }
if (level != SOL_IPV6)
return -ENOPROTOOPT;
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 8ef5a7b30524..e23c6b461758 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1378,8 +1378,6 @@ const struct proto_ops inet6_sockraw_ops = {
.sendpage = sock_no_sendpage,
#ifdef CONFIG_COMPAT
.compat_ioctl = inet6_compat_ioctl,
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
#endif
};
diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c
index 955662a6dee7..f8d7412cfb3d 100644
--- a/net/l2tp/l2tp_ip.c
+++ b/net/l2tp/l2tp_ip.c
@@ -638,10 +638,6 @@ static const struct proto_ops l2tp_ip_ops = {
.recvmsg = sock_common_recvmsg,
.mmap = sock_no_mmap,
.sendpage = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
-#endif
};
static struct inet_protosw l2tp_ip_protosw = {
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index 526ed2c24dd5..2cdc0b7a7a43 100644
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -773,8 +773,6 @@ static const struct proto_ops l2tp_ip6_ops = {
.sendpage = sock_no_sendpage,
#ifdef CONFIG_COMPAT
.compat_ioctl = inet6_compat_ioctl,
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
#endif
};
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index dbe43e0cd734..f0b0b503c262 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -2166,10 +2166,6 @@ static const struct proto_ops mptcp_stream_ops = {
.recvmsg = inet_recvmsg,
.mmap = sock_no_mmap,
.sendpage = inet_sendpage,
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
-#endif
};
static struct inet_protosw mptcp_protosw = {
@@ -2222,8 +2218,6 @@ static const struct proto_ops mptcp_v6_stream_ops = {
.sendpage = inet_sendpage,
#ifdef CONFIG_COMPAT
.compat_ioctl = inet6_compat_ioctl,
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
#endif
};
diff --git a/net/phonet/socket.c b/net/phonet/socket.c
index 76d499f6af9a..87c60f83c180 100644
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -441,10 +441,6 @@ const struct proto_ops phonet_dgram_ops = {
.shutdown = sock_no_shutdown,
.setsockopt = sock_no_setsockopt,
.getsockopt = sock_no_getsockopt,
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = sock_no_setsockopt,
- .compat_getsockopt = sock_no_getsockopt,
-#endif
.sendmsg = pn_socket_sendmsg,
.recvmsg = sock_common_recvmsg,
.mmap = sock_no_mmap,
@@ -466,10 +462,6 @@ const struct proto_ops phonet_stream_ops = {
.shutdown = sock_no_shutdown,
.setsockopt = sock_common_setsockopt,
.getsockopt = sock_common_getsockopt,
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
-#endif
.sendmsg = pn_socket_sendmsg,
.recvmsg = sock_common_recvmsg,
.mmap = sock_no_mmap,
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index ccfa0ab3e7f4..ebda31b7747d 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -1033,8 +1033,6 @@ static const struct proto_ops inet6_seqpacket_ops = {
.mmap = sock_no_mmap,
#ifdef CONFIG_COMPAT
.compat_ioctl = inet6_compat_ioctl,
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
#endif
};
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index cde29f3c7fb3..8d25cc464efd 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1036,10 +1036,6 @@ static const struct proto_ops inet_seqpacket_ops = {
.recvmsg = inet_recvmsg,
.mmap = sock_no_mmap,
.sendpage = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
-#endif
};
/* Registration with AF_INET family. */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.