From: Sakari Ailus <sakari.ailus@linux.intel.com>
To: Hans Verkuil <hverkuil@xs4all.nl>
Cc: Ricardo Ribalda <ribalda@chromium.org>,
Martin Tuma <martin.tuma@digiteqautomotive.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Hugues Fruchet <hugues.fruchet@foss.st.com>,
Alain Volmat <alain.volmat@foss.st.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
Paul Kocialkowski <paul.kocialkowski@bootlin.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Chen-Yu Tsai <wens@csie.org>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Samuel Holland <samuel@sholland.org>,
Thierry Reding <thierry.reding@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
Sowjanya Komatineni <skomatineni@nvidia.com>,
Luca Ceresoli <luca.ceresoli@bootlin.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Sergey Kozlov <serjk@netup.ru>, Abylay Ospan <aospan@netup.ru>,
Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>,
Dmitry Osipenko <digetx@gmail.com>,
Benjamin Mugnier <benjamin.mugnier@foss.st.com>,
Sylvain Petinot <sylvain.petinot@foss.st.com>,
Stanimir Varbanov <stanimir.k.varbanov@gmail.com>,
Vikash Garodia <quic_vgarodia@quicinc.com>,
Bryan O'Donoghue <bryan.odonoghue@linaro.org>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konrad.dybcio@linaro.org>,
linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org,
linux-staging@lists.linux.dev, linux-sunxi@lists.linux.dev,
linux-tegra@vger.kernel.org, linux-mediatek@lists.infradead.org,
linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH v2 09/26] media: v4l: async: refactor v4l2_async_create_ancillary_links
Date: Wed, 24 Apr 2024 18:17:31 +0000 [thread overview]
Message-ID: <ZilMu614pUAzEGTa@kekkonen.localdomain> (raw)
In-Reply-To: <40b9c015-8ccf-4313-800a-ecae9aa8cc27@xs4all.nl>
Hi Hans,
On Wed, Apr 24, 2024 at 12:55:20PM +0200, Hans Verkuil wrote:
> On 19/04/2024 11:47, Ricardo Ribalda wrote:
> > Return 0 without checking IS_ERR or PTR_ERR if CONFIG_MEDIA_CONTROLLER
> > is not enabled.
> >
> > This makes cocci happier:
> >
> > drivers/media/v4l2-core/v4l2-async.c:331:23-30: ERROR: PTR_ERR applied after initialization to constant on line 319
> >
> > Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> > ---
> > drivers/media/v4l2-core/v4l2-async.c | 7 +++----
> > 1 file changed, 3 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c
> > index 4bb073587817..915a9f3ea93c 100644
> > --- a/drivers/media/v4l2-core/v4l2-async.c
> > +++ b/drivers/media/v4l2-core/v4l2-async.c
> > @@ -316,9 +316,10 @@ v4l2_async_nf_try_all_subdevs(struct v4l2_async_notifier *notifier);
> > static int v4l2_async_create_ancillary_links(struct v4l2_async_notifier *n,
> > struct v4l2_subdev *sd)
> > {
> > - struct media_link *link = NULL;
> > + struct media_link *link;
> >
> > -#if IS_ENABLED(CONFIG_MEDIA_CONTROLLER)
> > + if (!IS_ENABLED(CONFIG_MEDIA_CONTROLLER))
> > + return 0;
> >
> > if (sd->entity.function != MEDIA_ENT_F_LENS &&
> > sd->entity.function != MEDIA_ENT_F_FLASH)
> > @@ -326,8 +327,6 @@ static int v4l2_async_create_ancillary_links(struct v4l2_async_notifier *n,
> >
> > link = media_create_ancillary_link(&n->sd->entity, &sd->entity);
> >
> > -#endif
> > -
> > return IS_ERR(link) ? PTR_ERR(link) : 0;
> > }
>
> I think I would prefer:
>
> static int v4l2_async_create_ancillary_links(struct v4l2_async_notifier *n,
> struct v4l2_subdev *sd)
> {
> #if IS_ENABLED(CONFIG_MEDIA_CONTROLLER)
> struct media_link *link;
>
> ...
>
> return IS_ERR(link) ? PTR_ERR(link) : 0;
> #else
> return 0;
> #endif
> }
>
Me, too.
--
Regards,
Sakari Ailus
next prev parent reply other threads:[~2024-04-24 18:17 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-19 9:47 [PATCH v2 00/26] media: Fix coccinelle warning/errors Ricardo Ribalda
2024-04-19 9:47 ` [PATCH v2 01/26] media: pci: mgb4: Refactor struct resources Ricardo Ribalda
2024-04-20 23:00 ` Bryan O'Donoghue
2024-04-19 9:47 ` [PATCH v2 02/26] media: stb0899: Simplify check Ricardo Ribalda
2024-04-20 23:07 ` Bryan O'Donoghue
2024-04-19 9:47 ` [PATCH v2 03/26] media: uvcvideo: Refactor iterators Ricardo Ribalda
2024-04-19 10:01 ` Laurent Pinchart
2024-04-19 9:47 ` [PATCH v2 04/26] media: uvcvideo: Use max() macro Ricardo Ribalda
2024-04-19 9:47 ` [PATCH v2 05/26] media: go7007: Use min and max macros Ricardo Ribalda
2024-04-20 23:11 ` Bryan O'Donoghue
2024-04-19 9:47 ` [PATCH v2 06/26] media: stm32-dcmipp: Remove redundant printk Ricardo Ribalda
2024-04-20 23:15 ` Bryan O'Donoghue
2024-04-22 6:52 ` Ricardo Ribalda
2024-04-19 9:47 ` [PATCH v2 07/26] media: staging: sun6i-isp: " Ricardo Ribalda
2024-04-19 9:47 ` [PATCH v2 08/26] media: dvb-frontends: tda18271c2dd: Remove casting during div Ricardo Ribalda
2024-04-19 9:47 ` [PATCH v2 09/26] media: v4l: async: refactor v4l2_async_create_ancillary_links Ricardo Ribalda
2024-04-20 23:23 ` Bryan O'Donoghue
2024-04-24 10:55 ` Hans Verkuil
2024-04-24 18:17 ` Sakari Ailus [this message]
2024-04-24 18:46 ` Laurent Pinchart
2024-04-29 10:51 ` Ricardo Ribalda
2024-05-04 8:25 ` Hans Verkuil
2024-04-19 9:47 ` [PATCH v2 10/26] staging: media: tegra-video: Use swap macro Ricardo Ribalda
2024-04-19 9:47 ` [PATCH v2 11/26] media: s2255: Use refcount_t instead of atomic_t for num_channels Ricardo Ribalda
2024-04-19 9:47 ` [PATCH v2 12/26] media: platform: mtk-mdp3: Use refcount_t for job_count Ricardo Ribalda
2024-04-19 9:47 ` [PATCH v2 13/26] media: common: saa7146: Use min macro Ricardo Ribalda
2024-04-19 9:48 ` [PATCH v2 14/26] media: dvb-frontends: drx39xyj: " Ricardo Ribalda
2024-04-19 9:48 ` [PATCH v2 15/26] media: netup_unidvb: " Ricardo Ribalda
2024-04-19 9:48 ` [PATCH v2 16/26] media: au0828: " Ricardo Ribalda
2024-04-24 11:03 ` Hans Verkuil
2024-04-19 9:48 ` [PATCH v2 17/26] media: flexcop-usb: " Ricardo Ribalda
2024-04-19 9:48 ` [PATCH v2 18/26] media: gspca: cpia1: " Ricardo Ribalda
2024-04-19 9:48 ` [PATCH v2 19/26] media: stk1160: " Ricardo Ribalda
2024-04-19 9:48 ` [PATCH v2 20/26] media: tegra-vde: Refactor timeout handling Ricardo Ribalda
2024-04-19 9:48 ` [PATCH v2 21/26] media: i2c: st-mipid02: Use the correct div function Ricardo Ribalda
2024-04-24 18:22 ` Sakari Ailus
2024-04-19 9:48 ` [PATCH v2 22/26] media: tc358746: Use the correct div_ function Ricardo Ribalda
2024-04-19 9:48 ` [PATCH v2 23/26] media: venus: vdec: Make explicit the range of us_per_frame Ricardo Ribalda
2024-04-20 22:47 ` Bryan O'Donoghue
2024-04-21 13:20 ` Markus Elfring
2024-04-19 9:48 ` [PATCH v2 24/26] media: venus: venc: " Ricardo Ribalda
2024-04-20 22:47 ` Bryan O'Donoghue
2024-04-21 13:25 ` Markus Elfring
2024-04-21 13:48 ` Greg Kroah-Hartman
2024-04-19 9:48 ` [PATCH v2 25/26] media: dvb-frontends: tda10048: Fix integer overflow Ricardo Ribalda
2024-04-19 9:48 ` [PATCH v2 26/26] media: dvb-frontends: tda10048: Make explicit the range of z Ricardo Ribalda
2024-04-21 14:07 ` Markus Elfring
2024-04-24 11:11 ` [PATCH v2 00/26] media: Fix coccinelle warning/errors Hans Verkuil
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