Add a missing NULL check and fix the wrong address passed to kunmap() in i830_cleanup().

Signed-off-by: Takashi Iwai tiwai@suse.de --- 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;