On 01/03/2021 17:45, Rafael J. Wysocki wrote: > On Wed, Feb 24, 2021 at 7:30 PM Daniel Lezcano > <[email protected]> wrote: >> >> 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 <[email protected]> >> --- >> 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; >> -- > > Applied along with the [2/2[ as 5.12-rc material, thanks!
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