linux-kernel - [PATCH 5.7 034/124] opp: Put opp table in dev_pm_opp_set

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Date:   Mon, 24 Aug 2020 10:29:28 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Rajendra Nayak <rnayak@...eaurora.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.7 034/124] opp: Put opp table in dev_pm_opp_set_rate() for empty tables

From: Stephen Boyd <swboyd@...omium.org>

[ Upstream commit 8979ef70850eb469e1094279259d1ef393ffe85f ]

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@...r.kernel.org> # v5.7+
Fixes: aca48b61f963 ("opp: Manage empty OPP tables with clk handle")
Reviewed-by: Rajendra Nayak <rnayak@...eaurora.org>
Signed-off-by: Stephen Boyd <swboyd@...omium.org>
[ Viresh: Split the patch into two ]
Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/opp/core.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index 2d3880b3d6ee0..a55d083e5be21 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -822,8 +822,10 @@ 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) {
 			dev_err(dev, "target frequency can't be 0\n");
-- 
2.25.1