From: Mike Frysinger <vapier@gentoo.org>
Date: Thu, 16 Jun 2011 22:31:42 +0000 (-0400)
Subject: serial: bfin_5xx: fix off-by-one with resource size
X-Git-Tag: v3.1-rc1~233^2~13
X-Git-Url: http://git.cascardo.eti.br/?a=commitdiff_plain;h=7c365bac4437887382d53be2f735b34634d68c3b;p=cascardo%2Flinux.git

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>
---

diff --git a/drivers/tty/serial/bfin_5xx.c b/drivers/tty/serial/bfin_5xx.c
index 9b1ff2b6bb37..957135a19743 100644
--- 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;