[errno code][-RT_EBUSY] fix that use RT_EBUSY without -

2026-09-21 10:36:04 +08:00 · 2023-03-22 01:55:18 -04:00
parent eb3cb250be
commit deb40e8c0c
21 changed files with 21 additions and 21 deletions
@@ -1028,7 +1028,7 @@ static rt_err_t rt_serial_control(struct rt_device *dev,
                if (pconfig->bufsz != serial->config.bufsz && serial->parent.ref_count)
                {
                    /*can not change buffer size*/
-                    return RT_EBUSY;
+                    return -RT_EBUSY;
                }
                /* set serial configure */
                serial->config = *pconfig;