video/v4l2_cap: fix sign extension

Signed-off-by: shizhenghui <shizhenghui@xiaomi.com>
2024-08-20 12:00:58 +08:00 · 2024-08-20 12:00:58 +08:00 · 04dfae545c
parent 6ff3ed83fc
commit 04dfae545c
1 changed files with 3 additions and 1 deletions
--- 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)
    {