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net: remove kernel_getsockopt

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Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christoph Hellwig 2020-05-27 20:22:29 +02:00 committed by David S. Miller
parent 0774dc7643
commit 7a15b2e013
2 changed files with 0 additions and 36 deletions
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2
include/linux/net.h
View file

@ -303,8 +303,6 @@ int kernel_connect(struct socket *sock, struct sockaddr *addr, int addrlen,
int flags);
int kernel_getsockname(struct socket *sock, struct sockaddr *addr);
int kernel_getpeername(struct socket *sock, struct sockaddr *addr);
int kernel_getsockopt(struct socket *sock, int level, int optname, char *optval,
int *optlen);
int kernel_setsockopt(struct socket *sock, int level, int optname, char *optval,
unsigned int optlen);
int kernel_sendpage(struct socket *sock, struct page *page, int offset,

34
net/socket.c
View file

@ -3624,40 +3624,6 @@ int kernel_getpeername(struct socket *sock, struct sockaddr *addr)
}
EXPORT_SYMBOL(kernel_getpeername);
/**
* kernel_getsockopt - get a socket option (kernel space)
* @sock: socket
* @level: API level (SOL_SOCKET, ...)
* @optname: option tag
* @optval: option value
* @optlen: option length
*
* Assigns the option length to @optlen.
* Returns 0 or an error.
*/
int kernel_getsockopt(struct socket *sock, int level, int optname,
char *optval, int *optlen)
{
mm_segment_t oldfs = get_fs();
char __user *uoptval;
int __user *uoptlen;
int err;
uoptval = (char __user __force *) optval;
uoptlen = (int __user __force *) optlen;
set_fs(KERNEL_DS);
if (level == SOL_SOCKET)
err = sock_getsockopt(sock, level, optname, uoptval, uoptlen);
else
err = sock->ops->getsockopt(sock, level, optname, uoptval,
uoptlen);
set_fs(oldfs);
return err;
}
EXPORT_SYMBOL(kernel_getsockopt);
/**
* kernel_setsockopt - set a socket option (kernel space)
* @sock: socket