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Commit 0fd92a15 authored by Tobias Klauser's avatar Tobias Klauser Committed by Tony Lindgren
Browse files

omap: rng: Use resource_size instead of manual calculation 



Use the resource_size 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>
parent 44e74840

drivers/char/hw_random/omap-rng.c

+2 −2
Original line number Diff line number Diff line
@@ -116,7 +116,7 @@ static int __devinit omap_rng_probe(struct platform_device *pdev) 
	if (!res)

		return -ENOENT;



	mem = request_mem_region(res->start, res->end - res->start + 1,

	mem = request_mem_region(res->start, resource_size(res),

				 pdev->name);

	if (mem == NULL) {

		ret = -EBUSY;
@@ -124,7 +124,7 @@ static int __devinit omap_rng_probe(struct platform_device *pdev) 
	}



	dev_set_drvdata(&pdev->dev, mem);

	rng_base = ioremap(res->start, res->end - res->start + 1);

	rng_base = ioremap(res->start, resource_size(res));

	if (!rng_base) {

		ret = -ENOMEM;

		goto err_ioremap;