serial: bfin_5xx: fix off-by-one with resource size

This doesn't cause any real bugs, but it should still be fixed. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
git-mirror · Jul 1, 2011 · 7c365ba · 7c365ba
1 parent 5a3c6b2
commit 7c365ba
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/drivers/tty/serial/bfin_5xx.c b/drivers/tty/serial/bfin_5xx.c
@@ -1304,8 +1304,7 @@ static int bfin_serial_probe(struct platform_device *pdev)
 			goto out_error_free_peripherals;
 		}
 
-		uart->port.membase = ioremap(res->start,
-			res->end - res->start);
+		uart->port.membase = ioremap(res->start, resource_size(res));
 		if (!uart->port.membase) {
 			dev_err(&pdev->dev, "Cannot map uart IO\n");
 			ret = -ENXIO;