patch-2.4.18 linux/drivers/usb/pwc-ctrl.c

• Lines: 29
• Date: Wed Jan 9 15:42:48 2002
• Orig file: linux.orig/drivers/usb/pwc-ctrl.c
• Orig date: Mon Feb 18 20:18:40 2002

diff -Naur -X /home/marcelo/lib/dontdiff linux.orig/drivers/usb/pwc-ctrl.c linux/drivers/usb/pwc-ctrl.c
@@ -1008,6 +1008,8 @@
 
 	if (pdev->type < 730)
 		return 0;
+	on_value /= 100;
+	off_value /= 100;
 	if (on_value < 0)
 		on_value = 0;
 	if (on_value > 0xff)
@@ -1048,8 +1050,8 @@
 
 	if (ret < 0)
 		return ret;
-	*on_value = buf[0];
-	*off_value = buf[1];
+	*on_value = buf[0] * 100;
+	*off_value = buf[1] * 100;
 	return 0;
 }
 
@@ -1175,6 +1177,8 @@
 			wb.read_red = pwc_read_red_gain(pdev);
 			wb.read_blue = pwc_read_blue_gain(pdev);
 		}
+		if (copy_to_user(arg, &wb, sizeof(wb)))
+			return -EFAULT;
 		break;
 	}