Messages in this thread Patch in this message | | | From | Daniel Lezcano <> | Subject | [PATCH 1/2] powercap/drivers/dtpm: Fix root node initialization | Date | Wed, 24 Feb 2021 19:30:21 +0100 |
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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
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