linux-kernel - [PATCH 2/2] net: remove kernel

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Message-Id: <20200527182229.517794-3-hch@lst.de>
Date:   Wed, 27 May 2020 20:22:29 +0200
From:   Christoph Hellwig <hch@....de>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     Christine Caulfield <ccaulfie@...hat.com>,
        David Teigland <teigland@...hat.com>,
        Vlad Yasevich <vyasevich@...il.com>,
        Neil Horman <nhorman@...driver.com>,
        Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
        linux-kernel@...r.kernel.org, cluster-devel@...hat.com,
        netdev@...r.kernel.org
Subject: [PATCH 2/2] net: remove kernel_getsockopt

No users left.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 include/linux/net.h |  2 --
 net/socket.c        | 34 ----------------------------------
 2 files changed, 36 deletions(-)

diff --git a/include/linux/net.h b/include/linux/net.h
index 6451425e828f5..74ef5d7315f70 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_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,
diff --git a/net/socket.c b/net/socket.c
index 80422fc3c836e..81a98b6cbd087 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -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
-- 
2.26.2