[PATCH v2 1/5] drm/etnaviv: Use unsigned type to count the number of pages
Lucas Stach
l.stach at pengutronix.de
Mon Oct 28 15:54:50 UTC 2024
Am Sonntag, dem 08.09.2024 um 20:11 +0800 schrieb Sui Jingfeng:
> The drm_prime_pages_to_sg() function takes an 'unsigned int' argument to
> store the length of the page vector. The size of the object in number of
> CPU pages can not be negative, hence, use 'unsigned' variable to store
> the number of pages, instead of the 'signed' one.
>
> Reviewed-by: Christian Gmeiner <cgmeiner at igalia.com>
> Signed-off-by: Sui Jingfeng <sui.jingfeng at linux.dev>
Thanks, series applied to etnaviv/next.
> ---
>
> v2: Pick up tags and improve commit message
>
> drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
> index 3524b5811682..6b98200068e4 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
> @@ -17,7 +17,7 @@ static struct lock_class_key etnaviv_prime_lock_class;
> struct sg_table *etnaviv_gem_prime_get_sg_table(struct drm_gem_object *obj)
> {
> struct etnaviv_gem_object *etnaviv_obj = to_etnaviv_bo(obj);
> - int npages = obj->size >> PAGE_SHIFT;
> + unsigned int npages = obj->size >> PAGE_SHIFT;
>
> if (WARN_ON(!etnaviv_obj->pages)) /* should have already pinned! */
> return ERR_PTR(-EINVAL);
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