The patch below does not apply to the 5.7-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From 8979ef70850eb469e1094279259d1ef393ffe85f Mon Sep 17 00:00:00 2001
From: Stephen Boyd <swboyd@xxxxxxxxxxxx>
Date: Tue, 11 Aug 2020 14:28:36 -0700
Subject: [PATCH] opp: Put opp table in dev_pm_opp_set_rate() for empty tables
We get the opp_table pointer at the top of the function and so we should
put the pointer at the end of the function like all other exit paths
from this function do.
Cc: v5.7+ <stable@xxxxxxxxxxxxxxx> # v5.7+
Fixes: aca48b61f963 ("opp: Manage empty OPP tables with clk handle")
Reviewed-by: Rajendra Nayak <rnayak@xxxxxxxxxxxxxx>
Signed-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
[ Viresh: Split the patch into two ]
Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index 9d7fb45b1786..f2f32786ee45 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -893,8 +893,10 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq)
* have OPP table for the device, while others don't and
* opp_set_rate() just needs to behave like clk_set_rate().
*/
- if (!_get_opp_count(opp_table))
- return 0;
+ if (!_get_opp_count(opp_table)) {
+ ret = 0;
+ goto put_opp_table;
+ }
if (!opp_table->required_opp_tables && !opp_table->regulators &&
!opp_table->paths) {
