serial: bfin_sport_uart: Use resource size to fix off-by-one error
Use the resource_size function instead of manually calculating the
resource size. This actually fixes an off-by-one error.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/serial/bfin_sport_uart.c b/drivers/serial/bfin_sport_uart.c
index 66cda22..e57fb3d 100644
--- a/drivers/serial/bfin_sport_uart.c
+++ b/drivers/serial/bfin_sport_uart.c
@@ -774,8 +774,7 @@
goto out_error_free_peripherals;
}
- sport->port.membase = ioremap(res->start,
- res->end - res->start);
+ sport->port.membase = ioremap(res->start, resource_size(res));
if (!sport->port.membase) {
dev_err(&pdev->dev, "Cannot map sport IO\n");
ret = -ENXIO;