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net: remove compat_sock_common_{get,set}sockopt

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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>
This commit is contained in:
Christoph Hellwig 2020-07-17 08:23:14 +02:00 • committed by David S. Miller
parent 4d295e5461
commit 8c918ffbba
16 changed files with 12 additions and 100 deletions
Download patch file Download diff file Expand all files Collapse all files

38
net/core/sock.c
View file

@ -3199,24 +3199,15 @@ int sock_common_getsockopt(struct socket *sock, int level, int optname,
{
struct sock *sk = sock->sk;
#ifdef CONFIG_COMPAT
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(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)
return sk->sk_prot->compat_getsockopt(sk, level, optname,
optval, optlen);
return sk->sk_prot->getsockopt(sk, level, optname, optval, optlen);
}
EXPORT_SYMBOL(compat_sock_common_getsockopt);
#endif
int sock_common_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
int flags)
{
@ -3240,24 +3231,15 @@ int sock_common_setsockopt(struct socket *sock, int level, int optname,
{
struct sock *sk = sock->sk;
#ifdef CONFIG_COMPAT
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(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)
return sk->sk_prot->compat_setsockopt(sk, level, optname,
optval, optlen);
return sk->sk_prot->setsockopt(sk, level, optname, optval, optlen);
}
EXPORT_SYMBOL(compat_sock_common_setsockopt);
#endif
void sk_common_release(struct sock *sk)
{
if (sk->sk_prot->destroy)