patch-2.4.23 linux-2.4.23/drivers/usb/aiptek.c

• Lines: 10
• Date: 2003-11-28 10:26:20.000000000 -0800
• Orig file: linux-2.4.22/drivers/usb/aiptek.c
• Orig date: 2003-08-25 04:44:42.000000000 -0700

diff -urN linux-2.4.22/drivers/usb/aiptek.c linux-2.4.23/drivers/usb/aiptek.c
@@ -1102,7 +1102,8 @@
 	int num;
 
 	num = (count < 64) ? count : 64;
-	copy_from_user(buf, buffer, num);
+	if (copy_from_user(buf, buffer, num))
+		return -EFAULT;
 	buf[num] = '\0';
 
 	scan = buf;