X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fchar%2Fwatchdog%2Fmachzwd.c;h=3782930e6f1f075565e318b10b83b612cb1f92ae;hb=9bf4aaab3e101692164d49b7ca357651eb691cb6;hp=99c6b21b3100fe706c720ee244dc3141e37bb3b9;hpb=db216c3d5e4c040e557a50f8f5d35d5c415e8c1c;p=linux-2.6.git

diff --git a/drivers/char/watchdog/machzwd.c b/drivers/char/watchdog/machzwd.c
index 99c6b21b3..3782930e6 100644
--- a/drivers/char/watchdog/machzwd.c
+++ b/drivers/char/watchdog/machzwd.c
@@ -302,13 +302,9 @@ static void zf_ping(unsigned long data)
 	}
 }
 
-static ssize_t zf_write(struct file *file, const char *buf, size_t count,
+static ssize_t zf_write(struct file *file, const char __user *buf, size_t count,
 								loff_t *ppos)
 {
-	/*  Can't seek (pwrite) on this device  */
-	if (ppos != &file->f_pos)
-		return -ESPIPE;
-
 	/* See if we got the magic character */
 	if(count){
 
@@ -352,15 +348,16 @@ static ssize_t zf_write(struct file *file, const char *buf, size_t count,
 static int zf_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 	unsigned long arg)
 {
+	void __user *argp = (void __user *)arg;
+	int __user *p = argp;
 	switch(cmd){
 		case WDIOC_GETSUPPORT:
-			if (copy_to_user((struct watchdog_info *)arg,
-					 &zf_info, sizeof(zf_info)))
+			if (copy_to_user(argp, &zf_info, sizeof(zf_info)))
 				return -EFAULT;
 			break;
 
 		case WDIOC_GETSTATUS:
-			return put_user(0, (int *) arg);
+			return put_user(0, p);
 
 		case WDIOC_KEEPALIVE:
 			zf_ping(0);
@@ -388,7 +385,7 @@ static int zf_open(struct inode *inode, struct file *file)
 
 	zf_timer_on();
 
-	return 0;
+	return nonseekable_open(inode, file);
 }
 
 static int zf_close(struct inode *inode, struct file *file)