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drm/radeon: also init GEM funcs in radeon_gem_prime_import_sg_table

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Otherwise we will run into a NULL ptr deref.

Signed-off-by: Christian König <christian.koenig@amd.com>
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=212137
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 5.11.x
This commit is contained in:
Christian König 2021-03-08 19:35:14 +01:00 committed by Alex Deucher
parent 48123d068f
commit a25955ba12
3 changed files with 6 additions and 2 deletions
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2
drivers/gpu/drm/radeon/radeon.h
View file

@ -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,

4
drivers/gpu/drm/radeon/radeon_gem.c
View file

@ -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,

2
drivers/gpu/drm/radeon/radeon_prime.c
View file

@ -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);