1 files changed, 0 insertions, 252 deletions
diff --git a/arch/um/drivers/slip_user.c b/arch/um/drivers/slip_user.c
deleted file mode 100644
index 7334019c9e60..000000000000
--- a/arch/um/drivers/slip_user.c
+++ /dev/null
@@ -1,252 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <string.h>
-#include <termios.h>
-#include <sys/wait.h>
-#include <net_user.h>
-#include <os.h>
-#include "slip.h"
-#include <um_malloc.h>
-
-static int slip_user_init(void *data, void *dev)
-{
-	struct slip_data *pri = data;
-
-	pri->dev = dev;
-	return 0;
-}
-
-static int set_up_tty(int fd)
-{
-	int i;
-	struct termios tios;
-
-	if (tcgetattr(fd, &tios) < 0) {
-		printk(UM_KERN_ERR "could not get initial terminal "
-		       "attributes\n");
-		return -1;
-	}
-
-	tios.c_cflag = CS8 | CREAD | HUPCL | CLOCAL;
-	tios.c_iflag = IGNBRK | IGNPAR;
-	tios.c_oflag = 0;
-	tios.c_lflag = 0;
-	for (i = 0; i < NCCS; i++)
-		tios.c_cc[i] = 0;
-	tios.c_cc[VMIN] = 1;
-	tios.c_cc[VTIME] = 0;
-
-	cfsetospeed(&tios, B38400);
-	cfsetispeed(&tios, B38400);
-
-	if (tcsetattr(fd, TCSAFLUSH, &tios) < 0) {
-		printk(UM_KERN_ERR "failed to set terminal attributes\n");
-		return -1;
-	}
-	return 0;
-}
-
-struct slip_pre_exec_data {
-	int stdin_fd;
-	int stdout_fd;
-	int close_me;
-};
-
-static void slip_pre_exec(void *arg)
-{
-	struct slip_pre_exec_data *data = arg;
-
-	if (data->stdin_fd >= 0)
-		dup2(data->stdin_fd, 0);
-	dup2(data->stdout_fd, 1);
-	if (data->close_me >= 0)
-		close(data->close_me);
-}
-
-static int slip_tramp(char **argv, int fd)
-{
-	struct slip_pre_exec_data pe_data;
-	char *output;
-	int pid, fds[2], err, output_len;
-
-	err = os_pipe(fds, 1, 0);
-	if (err < 0) {
-		printk(UM_KERN_ERR "slip_tramp : pipe failed, err = %d\n",
-		       -err);
-		goto out;
-	}
-
-	err = 0;
-	pe_data.stdin_fd = fd;
-	pe_data.stdout_fd = fds[1];
-	pe_data.close_me = fds[0];
-	err = run_helper(slip_pre_exec, &pe_data, argv);
-	if (err < 0)
-		goto out_close;
-	pid = err;
-
-	output_len = UM_KERN_PAGE_SIZE;
-	output = uml_kmalloc(output_len, UM_GFP_KERNEL);
-	if (output == NULL) {
-		printk(UM_KERN_ERR "slip_tramp : failed to allocate output "
-		       "buffer\n");
-		os_kill_process(pid, 1);
-		err = -ENOMEM;
-		goto out_close;
-	}
-
-	close(fds[1]);
-	read_output(fds[0], output, output_len);
-	printk("%s", output);
-
-	err = helper_wait(pid);
-	close(fds[0]);
-
-	kfree(output);
-	return err;
-
-out_close:
-	close(fds[0]);
-	close(fds[1]);
-out:
-	return err;
-}
-
-static int slip_open(void *data)
-{
-	struct slip_data *pri = data;
-	char version_buf[sizeof("nnnnn\0")];
-	char gate_buf[sizeof("nnn.nnn.nnn.nnn\0")];
-	char *argv[] = { "uml_net", version_buf, "slip", "up", gate_buf,
-			 NULL };
-	int sfd, mfd, err;
-
-	err = get_pty();
-	if (err < 0) {
-		printk(UM_KERN_ERR "slip-open : Failed to open pty, err = %d\n",
-		       -err);
-		goto out;
-	}
-	mfd = err;
-
-	err = open(ptsname(mfd), O_RDWR, 0);
-	if (err < 0) {
-		printk(UM_KERN_ERR "Couldn't open tty for slip line, "
-		       "err = %d\n", -err);
-		goto out_close;
-	}
-	sfd = err;
-
-	err = set_up_tty(sfd);
-	if (err)
-		goto out_close2;
-
-	pri->slave = sfd;
-	pri->slip.pos = 0;
-	pri->slip.esc = 0;
-	if (pri->gate_addr != NULL) {
-		sprintf(version_buf, "%d", UML_NET_VERSION);
-		strcpy(gate_buf, pri->gate_addr);
-
-		err = slip_tramp(argv, sfd);
-
-		if (err < 0) {
-			printk(UM_KERN_ERR "slip_tramp failed - err = %d\n",
-			       -err);
-			goto out_close2;
-		}
-		err = os_get_ifname(pri->slave, pri->name);
-		if (err < 0) {
-			printk(UM_KERN_ERR "get_ifname failed, err = %d\n",
-			       -err);
-			goto out_close2;
-		}
-		iter_addresses(pri->dev, open_addr, pri->name);
-	}
-	else {
-		err = os_set_slip(sfd);
-		if (err < 0) {
-			printk(UM_KERN_ERR "Failed to set slip discipline "
-			       "encapsulation - err = %d\n", -err);
-			goto out_close2;
-		}
-	}
-	return mfd;
-out_close2:
-	close(sfd);
-out_close:
-	close(mfd);
-out:
-	return err;
-}
-
-static void slip_close(int fd, void *data)
-{
-	struct slip_data *pri = data;
-	char version_buf[sizeof("nnnnn\0")];
-	char *argv[] = { "uml_net", version_buf, "slip", "down", pri->name,
-			 NULL };
-	int err;
-
-	if (pri->gate_addr != NULL)
-		iter_addresses(pri->dev, close_addr, pri->name);
-
-	sprintf(version_buf, "%d", UML_NET_VERSION);
-
-	err = slip_tramp(argv, pri->slave);
-
-	if (err != 0)
-		printk(UM_KERN_ERR "slip_tramp failed - errno = %d\n", -err);
-	close(fd);
-	close(pri->slave);
-	pri->slave = -1;
-}
-
-int slip_user_read(int fd, void *buf, int len, struct slip_data *pri)
-{
-	return slip_proto_read(fd, buf, len, &pri->slip);
-}
-
-int slip_user_write(int fd, void *buf, int len, struct slip_data *pri)
-{
-	return slip_proto_write(fd, buf, len, &pri->slip);
-}
-
-static void slip_add_addr(unsigned char *addr, unsigned char *netmask,
-			  void *data)
-{
-	struct slip_data *pri = data;
-
-	if (pri->slave < 0)
-		return;
-	open_addr(addr, netmask, pri->name);
-}
-
-static void slip_del_addr(unsigned char *addr, unsigned char *netmask,
-			    void *data)
-{
-	struct slip_data *pri = data;
-
-	if (pri->slave < 0)
-		return;
-	close_addr(addr, netmask, pri->name);
-}
-
-const struct net_user_info slip_user_info = {
-	.init		= slip_user_init,
-	.open		= slip_open,
-	.close	 	= slip_close,
-	.remove	 	= NULL,
-	.add_address	= slip_add_addr,
-	.delete_address = slip_del_addr,
-	.mtu		= BUF_SIZE,
-	.max_packet	= BUF_SIZE,
-};