diff options
author | Takashi Iwai <tiwai@suse.de> | 2010-12-04 16:13:06 +0100 |
---|---|---|
committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2010-12-05 11:30:56 +0100 |
commit | 2daaab960e8f22d50c616c21e81bb17487b52626 (patch) | |
tree | f8e11326cc856c257db6cea4c0dd283703f7f7ad | |
parent | 5bddd17fec58f253cddd0bc9eab2cd9eb1bbab4a (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>
-rw-r--r-- | 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 9272c38dd3c6..16a2847b7cdb 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; |