X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fum%2Fdrivers%2Fharddog_kern.c;h=d18a974735e649ed25f95159ef19ce274d59d408;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=e3f3cddeadaa897ecfaf14f3bf170ab479ae0808;hpb=9213980e6a70d8473e0ffd4b39ab5b6caaba9ff5;p=linux-2.6.git

diff --git a/arch/um/drivers/harddog_kern.c b/arch/um/drivers/harddog_kern.c
index e3f3cddea..d18a97473 100644
--- a/arch/um/drivers/harddog_kern.c
+++ b/arch/um/drivers/harddog_kern.c
@@ -46,7 +46,6 @@
 #include <linux/smp_lock.h>
 #include <linux/init.h>
 #include <asm/uaccess.h>
-#include "helper.h"
 #include "mconsole.h"
 
 MODULE_LICENSE("GPL");
@@ -82,7 +81,7 @@ static int harddog_open(struct inode *inode, struct file *file)
 
 	timer_alive = 1;
 	unlock_kernel();
-	return 0;
+	return nonseekable_open(inode, file);
 }
 
 extern void stop_watchdog(int in_fd, int out_fd);
@@ -105,13 +104,9 @@ static int harddog_release(struct inode *inode, struct file *file)
 
 extern int ping_watchdog(int fd);
 
-static ssize_t harddog_write(struct file *file, const char *data, size_t len,
+static ssize_t harddog_write(struct file *file, const char __user *data, size_t len,
 			     loff_t *ppos)
 {
-	/*  Can't seek (pwrite) on this device  */
-	if (ppos != &file->f_pos)
-		return -ESPIPE;
-
 	/*
 	 *	Refresh the timer.
 	 */
@@ -123,6 +118,7 @@ static ssize_t harddog_write(struct file *file, const char *data, size_t len,
 static int harddog_ioctl(struct inode *inode, struct file *file,
 			 unsigned int cmd, unsigned long arg)
 {
+	void __user *argp= (void __user *)arg;
 	static struct watchdog_info ident = {
 		WDIOC_SETTIMEOUT,
 		0,
@@ -132,13 +128,12 @@ static int harddog_ioctl(struct inode *inode, struct file *file,
 		default:
 			return -ENOTTY;
 		case WDIOC_GETSUPPORT:
-			if(copy_to_user((struct harddog_info *)arg, &ident,
-					sizeof(ident)))
+			if(copy_to_user(argp, &ident, sizeof(ident)))
 				return -EFAULT;
 			return 0;
 		case WDIOC_GETSTATUS:
 		case WDIOC_GETBOOTSTATUS:
-			return put_user(0,(int *)arg);
+			return put_user(0,(int __user *)argp);
 		case WDIOC_KEEPALIVE:
 			return(ping_watchdog(harddog_out_fd));
 	}