[PATCH] Generic serial warning

Generic serial: jiffies are unsigned long

drivers/char/generic_serial.c

@@ -348,7 +348,7 @@ int gs_real_chars_in_buffer(struct tty_struct *tty)
 static int gs_wait_tx_flushed (void * ptr, int timeout) 
 {
 	struct gs_port *port = ptr;
-	long end_jiffies;
+	unsigned long end_jiffies;
 	int jiffies_to_transmit, charsleft = 0, rv = 0;
 	int rcib;