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authorScott Thompson <postfail at hushmail.com>2007-08-25 18:14:00 +1000
committerDave Airlie <airlied@linux.ie>2007-08-25 18:14:00 +1000
commit5bdbc7dc2c07d507b41bffdadc2c8cc13b2d4326 (patch)
tree028f10ec31f041f97934c3fd6b66eabb81444ed8 /drivers/char/agp/nvidia-agp.c
parent32ddef98f232585f20bc8bdb891029a6a5f633d0 (diff)
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>
Diffstat (limited to 'drivers/char/agp/nvidia-agp.c')
-rw-r--r--drivers/char/agp/nvidia-agp.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c
index 6cd7373dcdf..225ed2a53d4 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;
}