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| author | Christian König <christian.koenig@amd.com> | 2021-03-08 19:35:14 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-03-10 16:22:03 -0500 |
| commit | a25955ba123499d7db520175c6be59c29f9215e3 (patch) | |
| tree | b7cd10367bfa6939ea8e73ec9a96bc2668038bee /drivers/gpu | |
| parent | 48123d068fcb584838ce29912660c5e9490bad0e (diff) | |
| download | linux-a25955ba123499d7db520175c6be59c29f9215e3.tar.bz2 | |
drm/radeon: also init GEM funcs in radeon_gem_prime_import_sg_table
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
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_gem.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_prime.c | 2 |
3 files changed, 6 insertions, 2 deletions
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); |