linux-kernel - [PATCH] hdpu_nexus.c: use resource

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Date:	Fri, 11 Dec 2009 19:33:01 -0500
From:	"H Hartley Sweeten" <hartleys@...ionengravers.com>
To:	"kernel list" <linux-kernel@...r.kernel.org>
Subject: [PATCH] hdpu_nexus.c: use resource_size()

The ioremap size is off by 1, use resource_size() to get the correct
size.

Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>

---

diff --git a/drivers/misc/hdpuftrs/hdpu_nexus.c b/drivers/misc/hdpuftrs/hdpu_nexus.c
index ce39fa5..bce5029 100644
--- a/drivers/misc/hdpuftrs/hdpu_nexus.c
+++ b/drivers/misc/hdpuftrs/hdpu_nexus.c
@@ -92,8 +92,7 @@ static int hdpu_nexus_probe(struct platform_device *pdev)
 		       "Invalid memory resource.\n");
 		return -EINVAL;
 	}
-	nexus_id_addr = ioremap(res->start,
-				(unsigned long)(res->end - res->start));
+	nexus_id_addr = ioremap(res->start, resource_size(res));
 	if (nexus_id_addr) {
 		slot_id = (*nexus_id_addr >> 8) & 0x1f;
 		chassis_id = *nexus_id_addr & 0xff; 
--
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