commit 5bdbc7dc2c07d507b41bffdadc2c8cc13b2d4326
author Scott Thompson <postfail at hushmail.com> Sat Aug 25 18:14:00 2007 +1000
committer Dave Airlie <airlied@linux.ie> Sat Aug 25 18:14:00 2007 +1000
tree 028f10ec31f041f97934c3fd6b66eabb81444ed8
parent 32ddef98f232585f20bc8bdb891029a6a5f633d0

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

diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c
index 6cd7373..225ed2a 100644
--- a/drivers/char/agp/nvidia-agp.c
+++ b/drivers/char/agp/nvidia-agp.c
@@ -157,6 +157,9 @@
 	nvidia_private.aperture =
 		(volatile u32 __iomem *) ioremap(apbase, 33 * PAGE_SIZE);
 
+	if (!nvidia_private.aperture)
+		return -ENOMEM;
+
 	return 0;
 }