Add a missing NULL check and fix the wrong address passed to kunmap()
in i830_cleanup().
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
---
drivers/char/agp/intel-gtt.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 9272c38..16a2847 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;
--
1.7.3.1
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