patch-2.1.88 linux/drivers/net/slip.c

• Lines: 18
• Date: Thu Feb 19 14:58:40 1998
• Orig file: v2.1.87/linux/drivers/net/slip.c
• Orig date: Thu Feb 12 20:56:09 1998

diff -u --recursive --new-file v2.1.87/linux/drivers/net/slip.c linux/drivers/net/slip.c
@@ -969,11 +969,12 @@
 
 	switch(cmd) {
 	 case SIOCGIFNAME:
-		err = verify_area(VERIFY_WRITE, arg, strlen(sl->dev->name) + 1);
-		if (err)  {
-			return err;
-		}
-		copy_to_user(arg, sl->dev->name, strlen(sl->dev->name) + 1);
+		/* Please, do not put this line under copy_to_user,
+		   it breaks my old poor gcc on alpha --ANK
+		 */
+		tmp = strlen(sl->dev->name) + 1;
+		if (copy_to_user(arg, sl->dev->name, tmp) < 0)
+			return -EFAULT;
 		return 0;
 
 	case SIOCGIFENCAP: