drm/ttm: fix invalid NULL deref
authorChristian König <christian.koenig@amd.com>
Thu, 25 Mar 2021 15:06:57 +0000 (16:06 +0100)
committerChristian König <christian.koenig@amd.com>
Fri, 26 Mar 2021 16:57:34 +0000 (17:57 +0100)
commit58442f0db3f89b7e77113295c72ac0672f74f92a
treefdd506fee078afbbb0364e3984ddc9d68e25bb70
parent30e2ae943c260036ea494b601343f6ed5ce7bc60
drm/ttm: fix invalid NULL deref

The BO might be NULL in this function, use the bdev directly.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reported-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Colin Ian King <colin.king@canonical.com>
Fixes: a1f091f8ef2b ("drm/ttm: switch to per device LRU lock")
Link: https://patchwork.freedesktop.org/patch/msgid/20210325152740.82633-1-christian.koenig@amd.com
drivers/gpu/drm/ttm/ttm_bo.c