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Message-ID: <eefe5120-638a-40bc-5ed8-e26defe178ca@suse.de>
Date: Mon, 18 Apr 2022 20:25:35 +0200
From: Thomas Zimmermann <tzimmermann@...e.de>
To: Dmitry Osipenko <dmitry.osipenko@...labora.com>,
David Airlie <airlied@...ux.ie>,
Gerd Hoffmann <kraxel@...hat.com>,
Gurchetan Singh <gurchetansingh@...omium.org>,
Chia-I Wu <olvaffe@...il.com>, Daniel Vetter <daniel@...ll.ch>,
Daniel Almeida <daniel.almeida@...labora.com>,
Gert Wollny <gert.wollny@...labora.com>,
Gustavo Padovan <gustavo.padovan@...labora.com>,
Daniel Stone <daniel@...ishbar.org>,
Tomeu Vizoso <tomeu.vizoso@...labora.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Rob Herring <robh@...nel.org>,
Steven Price <steven.price@....com>,
Alyssa Rosenzweig <alyssa.rosenzweig@...labora.com>,
Rob Clark <robdclark@...il.com>,
Emil Velikov <emil.l.velikov@...il.com>,
Robin Murphy <robin.murphy@....com>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
virtualization@...ts.linux-foundation.org,
Dmitry Osipenko <digetx@...il.com>
Subject: Re: [PATCH v4 09/15] drm/shmem-helper: Correct doc-comment of
drm_gem_shmem_get_sg_table()
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@...labora.com>
> ---
> 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@...e.de>
> + * error code on failure.
> */
> struct sg_table *drm_gem_shmem_get_pages_sgt(struct drm_gem_shmem_object *shmem)
> {
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Ivo Totev
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