On 20.10.2023 11:44, Steven Price wrote:
> sg_page_iter_page() doesn't return an error code, so the IS_ERR() check
> is wrong and the error path will never be executed. This also allows
> simplifying the code to remove the local variable 'page'.
> 
> CC: Adrián Larumbe <[email protected]>
> Reported-by: Dan Carpenter <[email protected]>
> Closes: 
> https://lore.kernel.org/r/[email protected]
> Signed-off-by: Steven Price <[email protected]>

Reviewed-by: Adrián Larumbe <[email protected]>
Tested-by: Adrián Larumbe <[email protected]>

> ---
>  drivers/gpu/drm/panfrost/panfrost_dump.c | 12 ++----------
>  1 file changed, 2 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/gpu/drm/panfrost/panfrost_dump.c 
> b/drivers/gpu/drm/panfrost/panfrost_dump.c
> index e7942ac449c6..47751302f1bc 100644
> --- a/drivers/gpu/drm/panfrost/panfrost_dump.c
> +++ b/drivers/gpu/drm/panfrost/panfrost_dump.c
> @@ -220,16 +220,8 @@ void panfrost_core_dump(struct panfrost_job *job)
>  
>               iter.hdr->bomap.data[0] = bomap - bomap_start;
>  
> -             for_each_sgtable_page(bo->base.sgt, &page_iter, 0) {
> -                     struct page *page = sg_page_iter_page(&page_iter);
> -
> -                     if (!IS_ERR(page)) {
> -                             *bomap++ = page_to_phys(page);
> -                     } else {
> -                             dev_err(pfdev->dev, "Panfrost Dump: wrong 
> page\n");
> -                             *bomap++ = 0;
> -                     }
> -             }
> +             for_each_sgtable_page(bo->base.sgt, &page_iter, 0)
> +                     *bomap++ = page_to_phys(sg_page_iter_page(&page_iter));
>  
>               iter.hdr->bomap.iova = mapping->mmnode.start << PAGE_SHIFT;
>  
> -- 
> 2.34.1

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