From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: rafael@kernel.org, daniel.lezcano@linaro.org
Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org
Subject: [PATCH 1/2] powercap/drivers/dtpm: Fix root node initialization
Date: Wed, 24 Feb 2021 19:30:21 +0100 [thread overview]
Message-ID: <20210224183022.11846-1-daniel.lezcano@linaro.org> (raw)
The root node is not set to NULL when the dtpm root node is
removed. Consequently, it is not possible to create a new root as it
is already set.
Set the root node to NULL when the last node is removed.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
drivers/powercap/dtpm.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/powercap/dtpm.c b/drivers/powercap/dtpm.c
index 5a51cd34a7e8..c2185ec5f887 100644
--- a/drivers/powercap/dtpm.c
+++ b/drivers/powercap/dtpm.c
@@ -207,6 +207,9 @@ int dtpm_release_zone(struct powercap_zone *pcz)
if (dtpm->ops)
dtpm->ops->release(dtpm);
+ if (root == dtpm)
+ root = NULL;
+
kfree(dtpm);
return 0;
--
2.17.1
next reply other threads:[~2021-02-24 18:31 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-24 18:30 Daniel Lezcano [this message]
2021-02-24 18:30 ` [PATCH 2/2] powercap/drivers/dtpm: Add the experimental label to the option description Daniel Lezcano
2021-03-01 16:45 ` [PATCH 1/2] powercap/drivers/dtpm: Fix root node initialization Rafael J. Wysocki
2021-03-01 18:15 ` Daniel Lezcano
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