[PATCH 31/33] net: remove kernel_setsockopt

From: Christoph Hellwig
Date: Wed May 13 2020 - 02:28:56 EST


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Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
include/linux/net.h | 2 --
net/socket.c | 31 -------------------------------
2 files changed, 33 deletions(-)

diff --git a/include/linux/net.h b/include/linux/net.h
index 6451425e828f5..ece7513326293 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -305,8 +305,6 @@ 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,
size_t size, int flags);
int kernel_sendpage_locked(struct sock *sk, struct page *page, int offset,
diff --git a/net/socket.c b/net/socket.c
index 1c9a7260a41de..f37c3ef508691 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -3749,37 +3749,6 @@ int kernel_getsockopt(struct socket *sock, int level, int optname,
}
EXPORT_SYMBOL(kernel_getsockopt);

-/**
- * kernel_setsockopt - set a socket option (kernel space)
- * @sock: socket
- * @level: API level (SOL_SOCKET, ...)
- * @optname: option tag
- * @optval: option value
- * @optlen: option length
- *
- * Returns 0 or an error.
- */
-
-int kernel_setsockopt(struct socket *sock, int level, int optname,
- char *optval, unsigned int optlen)
-{
- mm_segment_t oldfs = get_fs();
- char __user *uoptval;
- int err;
-
- uoptval = (char __user __force *) optval;
-
- set_fs(KERNEL_DS);
- if (level == SOL_SOCKET)
- err = sock_setsockopt(sock, level, optname, uoptval, optlen);
- else
- err = sock->ops->setsockopt(sock, level, optname, uoptval,
- optlen);
- set_fs(oldfs);
- return err;
-}
-EXPORT_SYMBOL(kernel_setsockopt);
-
/**
* kernel_sendpage - send a &page through a socket (kernel space)
* @sock: socket
--
2.26.2