summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
authorTakashi Iwai <tiwai@suse.de>2010-12-04 16:13:06 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2010-12-05 10:40:17 +0000
commit136711be41ec97f7f1a9c3a5e8535eb7da5fea59 (patch)
tree3be7da8694869adbb894f02b9edc1eab298c77da /drivers
parent49078f7d108f132582e5af46304c317b55f83948 (diff)
agp/intel: Fix wrong kunmap in i830_cleanup()
Add a missing NULL check and fix the wrong address passed to kunmap() in i830_cleanup(). Cc: stable@kernel.org Signed-off-by: Takashi Iwai <tiwai@suse.de> [danvet: added cc stable] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/char/agp/intel-gtt.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 9272c38dd3c..16a2847b7cd 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -812,8 +812,10 @@ static int intel_fake_agp_fetch_size(void)
static void i830_cleanup(void)
{
- kunmap(intel_private.i8xx_page);
- intel_private.i8xx_flush_page = NULL;
+ if (intel_private.i8xx_flush_page) {
+ kunmap(intel_private.i8xx_flush_page);
+ intel_private.i8xx_flush_page = NULL;
+ }
__free_page(intel_private.i8xx_page);
intel_private.i8xx_page = NULL;