linux-kernel - [PATCH v1 3/7] powercap/dtpm: Fixup kfree for virtual node

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Date:   Sun, 30 Jan 2022 22:02:05 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     daniel.lezcano@...aro.org, rjw@...ysocki.net
Cc:     heiko@...ech.de, lukasz.luba@....com, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, ulf.hansson@...aro.org,
        Daniel Lezcano <daniel.lezcano@...nel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>
Subject: [PATCH v1 3/7] powercap/dtpm: Fixup kfree for virtual node

When the node is virtual there is no release function associated which
can free the memory.

Free the memory when no 'ops' exists.

Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
---
 drivers/powercap/dtpm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/powercap/dtpm.c b/drivers/powercap/dtpm.c
index 0b0121c37a1b..7bddd25a6767 100644
--- a/drivers/powercap/dtpm.c
+++ b/drivers/powercap/dtpm.c
@@ -181,12 +181,12 @@ int dtpm_release_zone(struct powercap_zone *pcz)
 
 	if (dtpm->ops)
 		dtpm->ops->release(dtpm);
+	else
+		kfree(dtpm);
 
 	if (root == dtpm)
 		root = NULL;
 
-	kfree(dtpm);
-
 	return 0;
 }
 
-- 
2.25.1