Re: [PATCH v4 09/15] drm/shmem-helper: Correct doc-comment of drm_gem_shmem_get_sg_table()

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On 4/18/22 21:25, Thomas Zimmermann wrote:
> Hi
> 
> Am 18.04.22 um 00:37 schrieb Dmitry Osipenko:
>> drm_gem_shmem_get_sg_table() never returns NULL on error, but a ERR_PTR.
>> Correct the doc comment which says that it returns NULL on error.
>>
>> Signed-off-by: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx>
> 
> 
>> ---
>>   drivers/gpu/drm/drm_gem_shmem_helper.c | 5 +++--
>>   1 file changed, 3 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c
>> b/drivers/gpu/drm/drm_gem_shmem_helper.c
>> index 8ad0e02991ca..30ee46348a99 100644
>> --- a/drivers/gpu/drm/drm_gem_shmem_helper.c
>> +++ b/drivers/gpu/drm/drm_gem_shmem_helper.c
>> @@ -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 errno on
>> failure.
> 
> ', or an ERR_PTR()-encoded errno code on failure'
> 
>>    */
>>   struct sg_table *drm_gem_shmem_get_sg_table(struct
>> drm_gem_shmem_object *shmem)
>>   {
>> @@ -688,7 +688,8 @@ EXPORT_SYMBOL_GPL(drm_gem_shmem_get_sg_table);
>>    * drm_gem_shmem_get_sg_table() should not be directly called by
>> drivers.
>>    *
>>    * Returns:
>> - * A pointer to the scatter/gather table of pinned pages or errno on
>> failure.
>> + * A pointer to the scatter/gather table of pinned pages
>> ERR_PTR()-encoded
> 
> ', or an' before ERR_PTR
> 
> With the improved grammar:
> 
> Acked-by: Thomas Zimmermann <tzimmermann@xxxxxxx>

Thanks, something went wrong with these comments in this patch and I
haven't noticed that :)




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