netdev - [PATCH 10/10] kill kernel_sock

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Message-Id: <20180118193755.19997-10-viro@ZenIV.linux.org.uk>
Date:   Thu, 18 Jan 2018 19:37:55 +0000
From:   Al Viro <viro@...IV.linux.org.uk>
To:     netdev@...r.kernel.org
Cc:     "David S. Miller" <davem@...emloft.net>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, Christoph Hellwig <hch@....de>,
        Al Viro <viro@...iv.linux.org.uk>
Subject: [PATCH 10/10] kill kernel_sock_ioctl()

From: Al Viro <viro@...iv.linux.org.uk>

no users since 2014

Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
---
 include/linux/net.h |  1 -
 net/socket.c        | 13 -------------
 2 files changed, 14 deletions(-)

diff --git a/include/linux/net.h b/include/linux/net.h
index caeb159abda5..68acc54976bf 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -306,7 +306,6 @@ 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,
 			   size_t size, int flags);
-int kernel_sock_ioctl(struct socket *sock, int cmd, unsigned long arg);
 int kernel_sock_shutdown(struct socket *sock, enum sock_shutdown_cmd how);
 
 /* Routine returns the IP overhead imposed by a (caller-protected) socket. */
diff --git a/net/socket.c b/net/socket.c
index 982e9585fa31..3184573f58df 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -3254,19 +3254,6 @@ int kernel_sendpage_locked(struct sock *sk, struct page *page, int offset,
 }
 EXPORT_SYMBOL(kernel_sendpage_locked);
 
-int kernel_sock_ioctl(struct socket *sock, int cmd, unsigned long arg)
-{
-	mm_segment_t oldfs = get_fs();
-	int err;
-
-	set_fs(KERNEL_DS);
-	err = sock->ops->ioctl(sock, cmd, arg);
-	set_fs(oldfs);
-
-	return err;
-}
-EXPORT_SYMBOL(kernel_sock_ioctl);
-
 int kernel_sock_shutdown(struct socket *sock, enum sock_shutdown_cmd how)
 {
 	return sock->ops->shutdown(sock, how);
-- 
2.11.0