@@ -165,12 +165,6 @@ struct proto_ops {
int optname, char __user *optval, unsigned int optlen);
int (*getsockopt)(struct socket *sock, int level,
int optname, char __user *optval, int __user *optlen);
-#ifdef CONFIG_COMPAT
- int (*compat_setsockopt)(struct socket *sock, int level,
- int optname, char __user *optval, unsigned int optlen);
- int (*compat_getsockopt)(struct socket *sock, int level,
- int optname, char __user *optval, int __user *optlen);
-#endif
void (*show_fdinfo)(struct seq_file *m, struct socket *sock);
int (*sendmsg) (struct socket *sock, struct msghdr *m,
size_t total_len);
@@ -1744,10 +1744,6 @@ int sock_common_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
int flags);
int sock_common_setsockopt(struct socket *sock, int level, int optname,
char __user *optval, unsigned int optlen);
-int compat_sock_common_getsockopt(struct socket *sock, int level,
- int optname, char __user *optval, int __user *optlen);
-int compat_sock_common_setsockopt(struct socket *sock, int level,
- int optname, char __user *optval, unsigned int optlen);
void sk_common_release(struct sock *sk);
@@ -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)
{
@@ -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 = {
@@ -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
};
@@ -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
@@ -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
};
@@ -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
};
@@ -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;
@@ -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
};
@@ -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 = {
@@ -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
};
@@ -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
};
@@ -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,
@@ -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
};
@@ -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. */
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> --- include/linux/net.h | 6 ------ include/net/sock.h | 4 ---- net/core/sock.c | 30 ++++++------------------------ net/dccp/ipv4.c | 4 ---- net/dccp/ipv6.c | 2 -- net/ieee802154/socket.c | 8 -------- net/ipv4/af_inet.c | 6 ------ net/ipv6/af_inet6.c | 4 ---- net/ipv6/ipv6_sockglue.c | 12 ++---------- net/ipv6/raw.c | 2 -- net/l2tp/l2tp_ip.c | 4 ---- net/l2tp/l2tp_ip6.c | 2 -- net/mptcp/protocol.c | 6 ------ net/phonet/socket.c | 8 -------- net/sctp/ipv6.c | 2 -- net/sctp/protocol.c | 4 ---- 16 files changed, 8 insertions(+), 96 deletions(-)