From 04dfae545c38eef4e757e322be43636817f26d13 Mon Sep 17 00:00:00 2001
From: shizhenghui <shizhenghui@xiaomi.com>
Date: Tue, 20 Aug 2024 12:00:58 +0800
Subject: [PATCH] video/v4l2_cap: fix sign extension

Signed-off-by: shizhenghui <shizhenghui@xiaomi.com>
---
 drivers/video/v4l2_cap.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/video/v4l2_cap.c b/drivers/video/v4l2_cap.c
index fc7773c305..af002cc9d8 100644
--- a/drivers/video/v4l2_cap.c
+++ b/drivers/video/v4l2_cap.c
@@ -1295,7 +1295,9 @@ static int validate_frame_setting(FAR capture_mng_t *cmng,
 
 static size_t get_bufsize(FAR video_format_t *vf)
 {
-  size_t ret = vf->width * vf->height;
+  uint32_t width  = vf->width;
+  uint32_t height = vf->height;
+  size_t ret = width * height;
 
   switch (vf->pixelformat)
     {