Channels remain static unless the BMC firmware changes.
Therefore, rescanning is unnecessary while they are marked
ready and no BMC update has occurred.
Signed-off-by: Jinhui Guo <guojinhui.liam@bytedance.com>
---
drivers/char/ipmi/ipmi_msghandler.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 536484b8e52d..db8ef2e46488 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -3439,6 +3439,10 @@ static int __scan_channels(struct ipmi_smi *intf,
intf->channels_ready = false;
}
+ /* Skip channel scan if channels are already marked ready */
+ if (intf->channels_ready)
+ return 0;
+
if (ipmi_version_major(id) > 1
|| (ipmi_version_major(id) == 1
&& ipmi_version_minor(id) >= 5)) {
--
2.20.1