From 5bdbc7dc2c07d507b41bffdadc2c8cc13b2d4326 Mon Sep 17 00:00:00 2001
From: Scott Thompson <postfail at hushmail.com>
Date: Sat, 25 Aug 2007 18:14:00 +1000
Subject: agp: balance ioremap checks

patchset against 2.6.23-rc3.
corrects missing ioremap return checks and balancing on iounmap calls, integrated changes per list
recommendations on the original set of patches..

Signed-off-by: Scott Thompson <postfail <at> hushmail.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
---
 drivers/char/agp/nvidia-agp.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'drivers/char/agp/nvidia-agp.c')

diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c
index 6cd7373dcdf4..225ed2a53d45 100644
--- a/drivers/char/agp/nvidia-agp.c
+++ b/drivers/char/agp/nvidia-agp.c
@@ -157,6 +157,9 @@ static int nvidia_configure(void)
 	nvidia_private.aperture =
 		(volatile u32 __iomem *) ioremap(apbase, 33 * PAGE_SIZE);
 
+	if (!nvidia_private.aperture)
+		return -ENOMEM;
+
 	return 0;
 }
 
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