linux-kernel - [PATCH] timeriomem-rng.c: use resource

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Message-ID: <BD79186B4FD85F4B8E60E381CAEE190901FB0FBA@mi8nycmail19.Mi8.com>
Date:	Thu, 10 Dec 2009 20:16:54 -0500
From:	"H Hartley Sweeten" <hartleys@...ionengravers.com>
To:	"kernel list" <linux-kernel@...r.kernel.org>
Cc:	"Alexander Clouter" <alex@...riz.org.uk>
Subject: [PATCH] timeriomem-rng.c: use resource_size()

Use resource_size() for ioremap.

Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>
Cc: Alexander Clouter <alex@...riz.org.uk>

---

diff --git a/drivers/char/hw_random/timeriomem-rng.c b/drivers/char/hw_random/timeriomem-rng.c
index a94e930..a8428e6 100644
--- a/drivers/char/hw_random/timeriomem-rng.c
+++ b/drivers/char/hw_random/timeriomem-rng.c
@@ -100,8 +100,7 @@ static int __devinit timeriomem_rng_probe(struct platform_device *pdev)
 
 	timeriomem_rng_data = pdev->dev.platform_data;
 
-	timeriomem_rng_data->address = ioremap(res->start,
-						res->end - res->start + 1);
+	timeriomem_rng_data->address = ioremap(res->start, resource_size(res));
 	if (!timeriomem_rng_data->address)
 		return -EIO;
  
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