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drm: correct comments 

On failure, these functions return error pointer, not NULL.

Signed-off-by: Liu Zixian <liuzixian4@huawei.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220718015357.1722-1-liuzixian4@huawei.com
This commit is contained in:
Liu Zixian 2022-07-18 09:53:57 +08:00 committed by Maxime Ripard
parent ac991b874b
commit 2b8428a10f
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GPG Key ID: E3EF0D6F671851C5
2 changed files with 2 additions and 2 deletions
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2
drivers/gpu/drm/drm_gem_shmem_helper.c
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@ -662,7 +662,7 @@ EXPORT_SYMBOL(drm_gem_shmem_print_info);
* drm_gem_shmem_get_pages_sgt() instead.
*
* Returns:
* A pointer to the scatter/gather table of pinned pages or NULL on failure.
* A pointer to the scatter/gather table of pinned pages or error pointer on failure.
*/
struct sg_table *drm_gem_shmem_get_sg_table(struct drm_gem_shmem_object *shmem)
{

2
include/drm/drm_gem_shmem_helper.h
View File

@ -210,7 +210,7 @@ static inline void drm_gem_shmem_object_unpin(struct drm_gem_object *obj)
* use it as their &drm_gem_object_funcs.get_sg_table handler.
*
* Returns:
* A pointer to the scatter/gather table of pinned pages or NULL on failure.
* A pointer to the scatter/gather table of pinned pages or error pointer on failure.
*/
static inline struct sg_table *drm_gem_shmem_object_get_sg_table(struct drm_gem_object *obj)
{