Patchwork [PATCHv2,2/3] MTD/pxa: use resource_size(res) for pxa2xx-flash

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Submitter Wan ZongShun
Date June 5, 2010, 9:10 a.m.
Message ID <4C0A146B.1060306@gmail.com>
Download mbox | patch
Permalink /patch/54743/
State New
Headers show

Comments

Wan ZongShun - June 5, 2010, 9:10 a.m.
The size calculation is end - start + 1. But,sometimes, the '1' can
be forgotten carelessly, witch will have potential risk, so use resource_size
should be good habit.

Signed-off-by: Wan ZongShun <mcuos.com@gmail.com>
Acked-by: Eric Miao <eric.y.miao@gmail.com>

---
 drivers/mtd/maps/pxa2xx-flash.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

Patch

diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c
index d8ae634..b5bb1a4 100644
--- a/drivers/mtd/maps/pxa2xx-flash.c
+++ b/drivers/mtd/maps/pxa2xx-flash.c
@@ -70,7 +70,7 @@  static int __devinit pxa2xx_flash_probe(struct platform_device *pdev)
 	info->map.name = (char *) flash->name;
 	info->map.bankwidth = flash->width;
 	info->map.phys = res->start;
-	info->map.size = res->end - res->start + 1;
+	info->map.size = resource_size(res);
 	info->parts = flash->parts;
 	info->nr_parts = flash->nr_parts;