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Commit d6587fea authored by Tobias Klauser's avatar Tobias Klauser Committed by David Woodhouse
Browse files

mtd: ixp4xx map: use resource_size 



Use the resource_size inline function instead of manually calculating
the resource size. This reduces the chance of introducing off-by-one
errors.

Signed-off-by: default avatarTobias Klauser <tklauser@distanz.ch>
Signed-off-by: default avatarArtem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 2af7c653

drivers/mtd/maps/ixp4xx.c

+3 −3
Original line number Diff line number Diff line
@@ -210,7 +210,7 @@ static int ixp4xx_flash_probe(struct platform_device *dev) 
	 * not attempt to do a direct access on us.

	 */

	info->map.phys = NO_XIP;

	info->map.size = dev->resource->end - dev->resource->start + 1;

	info->map.size = resource_size(dev->resource);



	/*

	 * We only support 16-bit accesses for now. If and when
@@ -224,7 +224,7 @@ static int ixp4xx_flash_probe(struct platform_device *dev) 
	info->map.copy_from = ixp4xx_copy_from,



	info->res = request_mem_region(dev->resource->start,

			dev->resource->end - dev->resource->start + 1,

			resource_size(dev->resource),

			"IXP4XXFlash");

	if (!info->res) {

		printk(KERN_ERR "IXP4XXFlash: Could not reserve memory region\n");
@@ -233,7 +233,7 @@ static int ixp4xx_flash_probe(struct platform_device *dev) 
	}



	info->map.virt = ioremap(dev->resource->start,

				 dev->resource->end - dev->resource->start + 1);

				 resource_size(dev->resource));

	if (!info->map.virt) {

		printk(KERN_ERR "IXP4XXFlash: Failed to ioremap region\n");

		err = -EIO;