syslog_rpmsg: update check method when do flush()

Signed-off-by: ligd <liguiding1@xiaomi.com>
2022-07-27 15:43:20 +08:00 · 2022-07-27 15:43:20 +08:00 · 45c04e9125
parent e56c8571dc
commit 45c04e9125
1 changed files with 2 additions and 1 deletions
--- a/drivers/syslog/syslog_rpmsg.c
+++ b/drivers/syslog/syslog_rpmsg.c
@ -347,7 +347,8 @@ int syslog_rpmsg_flush(FAR struct syslog_channel_s *channel)

  flags = enter_critical_section();

-  if (priv->head - priv->flush > priv->size)
+  if (priv->head > priv->flush &&
+      priv->head - priv->flush > priv->size)
    {
      priv->flush = priv->tail;
    }