Avoid dereferencing struct drm_gem_object.import_attach for the
imported dma-buf. The dma_buf field in the GEM object instance refers
to the same buffer. Prepares to make import_attach optional.
Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
Cc: Zack Rusin <zack.rusin@xxxxxxxxxxxx>
Cc: Broadcom internal kernel review list <bcm-kernel-feedback-list@xxxxxxxxxxxx>
---
drivers/gpu/drm/vmwgfx/vmwgfx_gem.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gem.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gem.c
index 200240fecf7d..2a252e1d5e9f 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_gem.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gem.c
@@ -85,10 +85,10 @@ static int vmw_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map)
int ret;
if (drm_gem_is_imported(obj)) {
- ret = dma_buf_vmap(obj->import_attach->dmabuf, map);
+ ret = dma_buf_vmap(obj->dma_buf, map);
if (!ret) {
if (drm_WARN_ON(obj->dev, map->is_iomem)) {
- dma_buf_vunmap(obj->import_attach->dmabuf, map);
+ dma_buf_vunmap(obj->dma_buf, map);
return -EIO;
}
}
@@ -102,7 +102,7 @@ static int vmw_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map)
static void vmw_gem_vunmap(struct drm_gem_object *obj, struct iosys_map *map)
{
if (drm_gem_is_imported(obj))
- dma_buf_vunmap(obj->import_attach->dmabuf, map);
+ dma_buf_vunmap(obj->dma_buf, map);
else
drm_gem_ttm_vunmap(obj, map);
}
--
2.48.1
