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[35.245.152.114]) by smtp.gmail.com with ESMTPSA id s26-20020ae9f71a000000b0078d3b54eb76sm6718055qkg.78.2024.04.15.12.34.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Apr 2024 12:34:51 -0700 (PDT) From: Ricardo Ribalda Date: Mon, 15 Apr 2024 19:34:38 +0000 Subject: [PATCH 21/35] media: venus: Use div64_u64 Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240415-fix-cocci-v1-21-477afb23728b@chromium.org> References: <20240415-fix-cocci-v1-0-477afb23728b@chromium.org> In-Reply-To: <20240415-fix-cocci-v1-0-477afb23728b@chromium.org> To: Martin Tuma , Mauro Carvalho Chehab , Laurent Pinchart , Hans Verkuil , Hugues Fruchet , Alain Volmat , Maxime Coquelin , Alexandre Torgue , Paul Kocialkowski , Greg Kroah-Hartman , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Sakari Ailus , Thierry Reding , Jonathan Hunter , Sowjanya Komatineni , Luca Ceresoli , Matthias Brugger , AngeloGioacchino Del Regno , Hans Verkuil , Sergey Kozlov , Abylay Ospan , Ezequiel Garcia , Dmitry Osipenko , Stanimir Varbanov , Vikash Garodia , Bryan O'Donoghue , Bjorn Andersson , Konrad Dybcio , Benjamin Mugnier , Sylvain Petinot , Jacopo Mondi , Kieran Bingham , Laurent Pinchart , =?utf-8?q?Ni?= =?utf-8?q?klas_S=C3=B6derlund?= , Pavel Machek Cc: 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, Ricardo Ribalda X-Mailer: b4 0.12.4 us_per_frame does not fit in 32 bits. Use the appropriate div function. Found by cocci: drivers/media/platform/qcom/venus/vdec.c:488:1-7: WARNING: do_div() does a 64-by-32 division, please consider using div64_u64 instead. Signed-off-by: Ricardo Ribalda --- drivers/media/platform/qcom/venus/vdec.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c index 29130a9441e7..1dffeb7de76e 100644 --- a/drivers/media/platform/qcom/venus/vdec.c +++ b/drivers/media/platform/qcom/venus/vdec.c @@ -464,7 +464,7 @@ static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) struct venus_inst *inst = to_inst(file); struct v4l2_captureparm *cap = &a->parm.capture; struct v4l2_fract *timeperframe = &cap->timeperframe; - u64 us_per_frame, fps; + u64 us_per_frame; if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) @@ -484,10 +484,7 @@ static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) if (!us_per_frame) return -EINVAL; - fps = (u64)USEC_PER_SEC; - do_div(fps, us_per_frame); - - inst->fps = fps; + inst->fps = div64_u64(USEC_PER_SEC, us_per_frame); inst->timeperframe = *timeperframe; return 0;