From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: linux-media@vger.kernel.org, laurent.pinchart@ideasonboard.com,
Tianshu Qiu <tian.shu.qiu@intel.com>,
Bingbu Cao <bingbu.cao@intel.com>,
Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>,
Jacopo Mondi <jacopo+renesas@jmondi.org>,
Rui Miguel Silva <rmfrfs@gmail.com>,
Martin Kepplinger <martink@posteo.de>,
Tomasz Figa <tomasz.figa@gmail.com>
Subject: Re: [PATCH v7 17/19] media: mc: Check pad flag validity
Date: Thu, 1 Feb 2024 18:17:13 +0900 [thread overview]
Message-ID: <20240201091713.GA69174@google.com> (raw)
In-Reply-To: <20231002105557.28972-18-sakari.ailus@linux.intel.com>
On (23/10/02 13:55), Sakari Ailus wrote:
>
> Check the validity of pad flags on entity init. Exactly one of the flags
> must be set.
>
> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> ---
> drivers/media/mc/mc-entity.c | 15 ++++++++++++++-
> 1 file changed, 14 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/media/mc/mc-entity.c b/drivers/media/mc/mc-entity.c
> index 83468d4a440b..543a392f8635 100644
> --- a/drivers/media/mc/mc-entity.c
> +++ b/drivers/media/mc/mc-entity.c
> @@ -197,6 +197,7 @@ int media_entity_pads_init(struct media_entity *entity, u16 num_pads,
> struct media_device *mdev = entity->graph_obj.mdev;
> struct media_pad *iter;
> unsigned int i = 0;
> + int ret = 0;
>
> if (num_pads >= MEDIA_ENTITY_MAX_PADS)
> return -E2BIG;
> @@ -210,15 +211,27 @@ int media_entity_pads_init(struct media_entity *entity, u16 num_pads,
> media_entity_for_each_pad(entity, iter) {
> iter->entity = entity;
> iter->index = i++;
> +
> + if (hweight32(iter->flags & (MEDIA_PAD_FL_SINK |
> + MEDIA_PAD_FL_SOURCE)) != 1) {
> + ret = -EINVAL;
Can we please have some sort of WARN_ON() or pr_err() here?
This is a pretty big change.
next prev parent reply other threads:[~2024-02-01 9:17 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-02 10:55 [PATCH v7 00/19] Small fixes and cleanups (ov2740 and ccs) Sakari Ailus
2023-10-02 10:55 ` [PATCH v7 01/19] media: Documentation: Align numbered list, make it a proper ReST Sakari Ailus
2023-10-02 10:55 ` [PATCH v7 02/19] media: ccs: Fix driver quirk struct documentation Sakari Ailus
2023-10-02 10:55 ` [PATCH v7 03/19] media: ccs: Correctly initialise try compose rectangle Sakari Ailus
2023-10-02 10:55 ` [PATCH v7 04/19] media: ccs: Correct error handling in ccs_register_subdev Sakari Ailus
2023-10-02 10:55 ` [PATCH v7 05/19] media: ccs: Switch to init_cfg Sakari Ailus
2023-10-02 10:55 ` [PATCH v7 06/19] media: ccs: Rename ccs_create_subdev as ccs_init_subdev Sakari Ailus
2023-10-02 10:55 ` [PATCH v7 07/19] media: ccs: Move media_entity_pads_init to init from register Sakari Ailus
2023-10-02 10:55 ` [PATCH v7 08/19] media: ccs: Obtain media bus formats before initialising up sub-devices Sakari Ailus
2023-10-02 10:55 ` [PATCH v7 09/19] media: ccs: Use sub-device active state Sakari Ailus
2023-10-02 10:55 ` [PATCH v7 10/19] media: ccs: Partially revert "media: i2c: Use pm_runtime_resume_and_get()" Sakari Ailus
2023-10-02 10:55 ` [PATCH v7 11/19] media: ccs: Drop re-entrant s_stream support Sakari Ailus
2023-10-02 10:55 ` [PATCH v7 12/19] media: ov2740: Enable runtime PM before registering the async subdev Sakari Ailus
2023-10-02 10:55 ` [PATCH v7 13/19] media: ov2740: Use sub-device active state Sakari Ailus
2023-10-02 10:55 ` [PATCH v7 14/19] media: ov2740: Return -EPROBE_DEFER if no endpoint is found Sakari Ailus
2023-10-02 10:55 ` [PATCH v7 15/19] media: v4l: subdev: Clear frame descriptor before get_frame_desc Sakari Ailus
2023-10-02 10:55 ` [PATCH v7 16/19] media: v4l: subdev: Print debug information on frame descriptor Sakari Ailus
2023-10-02 10:55 ` [PATCH v7 17/19] media: mc: Check pad flag validity Sakari Ailus
2024-02-01 9:17 ` Sergey Senozhatsky [this message]
2024-02-01 9:22 ` Sakari Ailus
2024-02-01 9:33 ` Sergey Senozhatsky
2024-02-01 11:05 ` Sakari Ailus
2024-02-03 5:28 ` Sergey Senozhatsky
2023-10-02 10:55 ` [PATCH v7 18/19] media: Add MIPI CSI-2 generic long packet type definition Sakari Ailus
2023-10-02 10:55 ` [PATCH v7 19/19] media: Documentation: Split camera sensor documentation Sakari Ailus
2023-10-02 11:54 ` [PATCH v7 00/19] Small fixes and cleanups (ov2740 and ccs) Sakari Ailus
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