From a25955ba123499d7db520175c6be59c29f9215e3 Mon Sep 17 00:00:00 2001 From: Christian König Date: Mon, 8 Mar 2021 19:35:14 +0100 Subject: drm/radeon: also init GEM funcs in radeon_gem_prime_import_sg_table MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Otherwise we will run into a NULL ptr deref. Signed-off-by: Christian König Bug: https://bugzilla.kernel.org/show_bug.cgi?id=212137 Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org # 5.11.x --- drivers/gpu/drm/radeon/radeon.h | 2 ++ drivers/gpu/drm/radeon/radeon_gem.c | 4 ++-- drivers/gpu/drm/radeon/radeon_prime.c | 2 ++ 3 files changed, 6 insertions(+), 2 deletions(-) (limited to 'drivers/gpu/drm/radeon') diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index f09989bdce98..3effc8c71494 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -574,6 +574,8 @@ struct radeon_gem { struct list_head objects; }; +extern const struct drm_gem_object_funcs radeon_gem_object_funcs; + int radeon_gem_init(struct radeon_device *rdev); void radeon_gem_fini(struct radeon_device *rdev); int radeon_gem_object_create(struct radeon_device *rdev, unsigned long size, diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index 941826923247..db14a82a2e4b 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -43,7 +43,7 @@ struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj); int radeon_gem_prime_pin(struct drm_gem_object *obj); void radeon_gem_prime_unpin(struct drm_gem_object *obj); -static const struct drm_gem_object_funcs radeon_gem_object_funcs; +const struct drm_gem_object_funcs radeon_gem_object_funcs; static void radeon_gem_object_free(struct drm_gem_object *gobj) { @@ -227,7 +227,7 @@ static int radeon_gem_handle_lockup(struct radeon_device *rdev, int r) return r; } -static const struct drm_gem_object_funcs radeon_gem_object_funcs = { +const struct drm_gem_object_funcs radeon_gem_object_funcs = { .free = radeon_gem_object_free, .open = radeon_gem_object_open, .close = radeon_gem_object_close, diff --git a/drivers/gpu/drm/radeon/radeon_prime.c b/drivers/gpu/drm/radeon/radeon_prime.c index ab29eb9e8667..42a87948e28c 100644 --- a/drivers/gpu/drm/radeon/radeon_prime.c +++ b/drivers/gpu/drm/radeon/radeon_prime.c @@ -56,6 +56,8 @@ struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev, if (ret) return ERR_PTR(ret); + bo->tbo.base.funcs = &radeon_gem_object_funcs; + mutex_lock(&rdev->gem.mutex); list_add_tail(&bo->list, &rdev->gem.objects); mutex_unlock(&rdev->gem.mutex); -- cgit v1.2.3