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Date: Wed, 24 Apr 2024 13:03:39 +0200
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Subject: Re: [PATCH v2 16/26] media: au0828: Use min macro
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To: 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>,
 Sakari Ailus <sakari.ailus@linux.intel.com>,
 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>,
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 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>
Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
 linux-stm32@st-md-mailman.stormreply.com,
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References: <20240419-fix-cocci-v2-0-2119e692309c@chromium.org>
 <20240419-fix-cocci-v2-16-2119e692309c@chromium.org>
From: Hans Verkuil <hverkuil@xs4all.nl>
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In-Reply-To: <20240419-fix-cocci-v2-16-2119e692309c@chromium.org>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit

nitpick: subject should say "Use umin macro".

	Hans

On 19/04/2024 11:48, Ricardo Ribalda wrote:
> Simplifies the code.
> 
> Found by cocci:
> drivers/media/usb/au0828/au0828-video.c:605:11-12: WARNING opportunity for min()
> 
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> ---
>  drivers/media/usb/au0828/au0828-video.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c
> index fd9fc43d47e0..2ec49ea479d5 100644
> --- a/drivers/media/usb/au0828/au0828-video.c
> +++ b/drivers/media/usb/au0828/au0828-video.c
> @@ -602,10 +602,7 @@ static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb)
>  		vbi_field_size = dev->vbi_width * dev->vbi_height * 2;
>  		if (dev->vbi_read < vbi_field_size) {
>  			remain  = vbi_field_size - dev->vbi_read;
> -			if (len < remain)
> -				lencopy = len;
> -			else
> -				lencopy = remain;
> +			lencopy = umin(len, remain);
>  
>  			if (vbi_buf != NULL)
>  				au0828_copy_vbi(dev, vbi_dma_q, vbi_buf, p,
>