linux-kernel - drivers/block/mg_disk.c: use resource

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Message-ID: <BD79186B4FD85F4B8E60E381CAEE190901EE5BE1@mi8nycmail19.Mi8.com>
Date:	Mon, 23 Nov 2009 12:39:15 -0500
From:	"H Hartley Sweeten" <hartleys@...ionengravers.com>
To:	<linux-kernel@...r.kernel.org>
Cc:	<donari75@...il.com>
Subject: drivers/block/mg_disk.c: use resource_size()

Use resource_size() for ioremap.

The ioremap appears to be passing the incorrect size for the platform
resource.  Unfortunately, I can't locate a user in mainline to verify
this.  Using resource_size should be the correct fix.

Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>
Cc: unsik Kim <donari75@...il.com>

---

diff --git a/drivers/block/mg_disk.c b/drivers/block/mg_disk.c
index e0339aa..02b2583 100644
--- a/drivers/block/mg_disk.c
+++ b/drivers/block/mg_disk.c
@@ -860,7 +860,7 @@ static int mg_probe(struct platform_device *plat_dev)
 		err = -EINVAL;
 		goto probe_err_2;
 	}
-	host->dev_base = ioremap(rsc->start , rsc->end + 1);
+	host->dev_base = ioremap(rsc->start, resource_size(rsc));
 	if (!host->dev_base) {
 		printk(KERN_ERR "%s:%d ioremap fail\n",
 				__func__, __LINE__); 
--
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