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* [PATCH 1/2] video: hpfb: use resource_size()
@ 2011-01-29  9:33 Axel Lin
  2011-01-29  9:35 ` [PATCH 2/2] video: sh7760fb: " Axel Lin
  0 siblings, 1 reply; 2+ messages in thread
From: Axel Lin @ 2011-01-29  9:33 UTC (permalink / raw)
  To: linux-kernel; +Cc: Phil Blundell, Geert Uytterhoeven, Paul Mundt, linux-fbdev

The size calculation is done incorrectly here because it should include
both the start and end (end - start + 1).

Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
 drivers/video/hpfb.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/video/hpfb.c b/drivers/video/hpfb.c
index c8e280f..ebf8495 100644
--- a/drivers/video/hpfb.c
+++ b/drivers/video/hpfb.c
@@ -321,11 +321,11 @@ static int __devinit hpfb_dio_probe(struct dio_dev * d, const struct dio_device_
 	unsigned long paddr, vaddr;
 
 	paddr = d->resource.start;
-	if (!request_mem_region(d->resource.start, d->resource.end - d->resource.start, d->name))
+	if (!request_mem_region(d->resource.start, resource_size(&d->resource), d->name))
                 return -EBUSY;
 
 	if (d->scode >= DIOII_SCBASE) {
-		vaddr = (unsigned long)ioremap(paddr, d->resource.end - d->resource.start);
+		vaddr = (unsigned long)ioremap(paddr, resource_size(&d->resource));
 	} else {
 		vaddr = paddr + DIO_VIRADDRBASE;
 	}
@@ -344,7 +344,7 @@ static void __devexit hpfb_remove_one(struct dio_dev *d)
 	unregister_framebuffer(&fb_info);
 	if (d->scode >= DIOII_SCBASE)
 		iounmap((void *)fb_regs);
-        release_mem_region(d->resource.start, d->resource.end - d->resource.start);
+	release_mem_region(d->resource.start, resource_size(&d->resource));
 }
 
 static struct dio_device_id hpfb_dio_tbl[] = {
-- 
1.7.0.4




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2011-01-29  9:33 [PATCH 1/2] video: hpfb: use resource_size() Axel Lin
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