patch-2.4.10 linux/drivers/usb/serial/keyspan.c

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diff -u --recursive --new-file v2.4.9/linux/drivers/usb/serial/keyspan.c linux/drivers/usb/serial/keyspan.c
@@ -349,7 +349,8 @@
 		((char *)this_urb->transfer_buffer)[0] = 0;
 
 		if (from_user) {
-			copy_from_user(this_urb->transfer_buffer + 1, buf, todo);
+			if (copy_from_user(this_urb->transfer_buffer + 1, buf, todo))
+				return -EFAULT;
 		} else {
 			memcpy (this_urb->transfer_buffer + 1, buf, todo);
 		}
@@ -1718,6 +1719,7 @@
 
 MODULE_AUTHOR( DRIVER_AUTHOR );
 MODULE_DESCRIPTION( DRIVER_DESC );
+MODULE_LICENSE("GPL");
 
 MODULE_PARM(debug, "i");
 MODULE_PARM_DESC(debug, "Debug enabled or not");

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