Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik...

[powerpc.git] / drivers / sbus / char / envctrl.c

diff --git a/drivers/sbus/char/envctrl.c b/drivers/sbus/char/envctrl.c
index 063e676..2cea4f5 100644 (file)
--- a/drivers/sbus/char/envctrl.c
+++ b/drivers/sbus/char/envctrl.c
@@ -19,20 +19,13 @@
  *              Daniele Bellucci <bellucda@tiscali.it>
  */
 
-#define __KERNEL_SYSCALLS__
-static int errno;
-
 #include <linux/module.h>
-#include <linux/sched.h>
+#include <linux/init.h>
 #include <linux/kthread.h>
-#include <linux/errno.h>
 #include <linux/delay.h>
 #include <linux/ioport.h>
-#include <linux/init.h>
 #include <linux/miscdevice.h>
-#include <linux/mm.h>
-#include <linux/slab.h>
-#include <linux/kernel.h>
+#include <linux/kmod.h>
 
 #include <asm/ebus.h>
 #include <asm/uaccess.h>
@@ -712,7 +705,7 @@ envctrl_release(struct inode *inode, struct file *file)
        return 0;
 }
 
-static struct file_operations envctrl_fops = {
+static const struct file_operations envctrl_fops = {
        .owner =                THIS_MODULE,
        .read =                 envctrl_read,
        .unlocked_ioctl =       envctrl_ioctl,
@@ -976,13 +969,15 @@ static void envctrl_do_shutdown(void)
                "HOME=/", "TERM=linux", "PATH=/sbin:/usr/sbin:/bin:/usr/bin", NULL };
        char *argv[] = { 
                "/sbin/shutdown", "-h", "now", NULL };  
+       int ret;
 
        if (inprog != 0)
                return;
 
        inprog = 1;
        printk(KERN_CRIT "kenvctrld: WARNING: Shutting down the system now.\n");
-       if (0 > execve("/sbin/shutdown", argv, envp)) {
+       ret = call_usermodehelper("/sbin/shutdown", argv, envp, 0);
+       if (ret < 0) {
                printk(KERN_CRIT "kenvctrld: WARNING: system shutdown failed!\n"); 
                inprog = 0;  /* unlikely to succeed, but we could try again */
        }