drivers/bch: fix uint32 overflow issue

Donny9 · xiaoxiang781216 · commit 5f0230d79f86 · 2024-09-08T21:42:38.000+08:00
Signed-off-by: dongjiuzhu1 &lt;dongjiuzhu1@xiaomi.com&gt;
diff --git a/drivers/bch/bchdev_driver.c b/drivers/bch/bchdev_driver.c
@@ -245,7 +245,7 @@ static off_t bch_seek(FAR struct file *filep, off_t offset, int whence)
       break;
 
     case SEEK_END:
-      newpos = bch->sectsize * bch->nsectors + offset;
+      newpos = (off_t)bch->sectsize * bch->nsectors + offset;
       break;
 
     default:
