1 files changed, 0 insertions, 124 deletions
diff --git a/arch/um/drivers/slirp_user.c b/arch/um/drivers/slirp_user.c
deleted file mode 100644
index 97228aa080cb..000000000000
--- a/arch/um/drivers/slirp_user.c
+++ /dev/null
@@ -1,124 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
- */
-
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/wait.h>
-#include <net_user.h>
-#include <os.h>
-#include "slirp.h"
-
-static int slirp_user_init(void *data, void *dev)
-{
-	struct slirp_data *pri = data;
-
-	pri->dev = dev;
-	return 0;
-}
-
-struct slirp_pre_exec_data {
-	int stdin_fd;
-	int stdout_fd;
-};
-
-static void slirp_pre_exec(void *arg)
-{
-	struct slirp_pre_exec_data *data = arg;
-
-	if (data->stdin_fd != -1)
-		dup2(data->stdin_fd, 0);
-	if (data->stdout_fd != -1)
-		dup2(data->stdout_fd, 1);
-}
-
-static int slirp_tramp(char **argv, int fd)
-{
-	struct slirp_pre_exec_data pe_data;
-	int pid;
-
-	pe_data.stdin_fd = fd;
-	pe_data.stdout_fd = fd;
-	pid = run_helper(slirp_pre_exec, &pe_data, argv);
-
-	return pid;
-}
-
-static int slirp_open(void *data)
-{
-	struct slirp_data *pri = data;
-	int fds[2], err;
-
-	err = os_pipe(fds, 1, 1);
-	if (err)
-		return err;
-
-	err = slirp_tramp(pri->argw.argv, fds[1]);
-	if (err < 0) {
-		printk(UM_KERN_ERR "slirp_tramp failed - errno = %d\n", -err);
-		goto out;
-	}
-
-	pri->slave = fds[1];
-	pri->slip.pos = 0;
-	pri->slip.esc = 0;
-	pri->pid = err;
-
-	return fds[0];
-out:
-	close(fds[0]);
-	close(fds[1]);
-	return err;
-}
-
-static void slirp_close(int fd, void *data)
-{
-	struct slirp_data *pri = data;
-	int err;
-
-	close(fd);
-	close(pri->slave);
-
-	pri->slave = -1;
-
-	if (pri->pid<1) {
-		printk(UM_KERN_ERR "slirp_close: no child process to shut "
-		       "down\n");
-		return;
-	}
-
-#if 0
-	if (kill(pri->pid, SIGHUP)<0) {
-		printk(UM_KERN_ERR "slirp_close: sending hangup to %d failed "
-		       "(%d)\n", pri->pid, errno);
-	}
-#endif
-	err = helper_wait(pri->pid);
-	if (err < 0)
-		return;
-
-	pri->pid = -1;
-}
-
-int slirp_user_read(int fd, void *buf, int len, struct slirp_data *pri)
-{
-	return slip_proto_read(fd, buf, len, &pri->slip);
-}
-
-int slirp_user_write(int fd, void *buf, int len, struct slirp_data *pri)
-{
-	return slip_proto_write(fd, buf, len, &pri->slip);
-}
-
-const struct net_user_info slirp_user_info = {
-	.init		= slirp_user_init,
-	.open		= slirp_open,
-	.close	 	= slirp_close,
-	.remove	 	= NULL,
-	.add_address	= NULL,
-	.delete_address = NULL,
-	.mtu		= BUF_SIZE,
-	.max_packet	= BUF_SIZE,
-};