From: Christoph Hellwig <hch@lst.de>
Date: Fri, 29 May 2020 12:09:43 +0000 (+0200)
Subject: net: remove kernel_setsockopt
X-Git-Tag: baikal/mips/sdk5.9~13530^2~59^2
X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=508193a05b418c9ef6f6bd09907797c648c623eb;p=kernel.git

net: remove kernel_setsockopt

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Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/include/linux/net.h b/include/linux/net.h
index 74ef5d7315f70..e10f378194a59 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -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_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 81a98b6cbd087..976426d03f099 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -3624,37 +3624,6 @@ int kernel_getpeername(struct socket *sock, struct sockaddr *addr)
 }
 EXPORT_SYMBOL(kernel_getpeername);
 
-/**
- *	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