From 51d3290c3ad6ba691bd66df8ead6e7c19dc995f1 Mon Sep 17 00:00:00 2001 From: Lorenzo Pieralisi Date: Tue, 24 Oct 2017 16:02:33 +0100 Subject: [PATCH] drivers/firmware: psci_checker: Add missing destroy_timer_on_stack() The PSCI checker suspend_test_thread() function (ie executed for the suspend test) requires an on-stack timer to carry out the test it executes; it sets it up through the setup_timer_on_stack() API. setup_timer_on_stack() requires its counterpart destroy_timer_on_stack() to be called when the timer is disposed of but the PSCI checker code is currently missing that call, leaving the timer object in an incosistent state when the PSCI checker stops the thread executing the suspend test. Add the missing destroy_timer_on_stack() call to fix the omission. Fixes: ea8b1c4a6019 ("drivers: psci: PSCI checker module") Signed-off-by: Lorenzo Pieralisi Reported-by: Kees Cook Cc: Kees Cook Cc: Mark Rutland Signed-off-by: Arnd Bergmann --- drivers/firmware/psci_checker.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/firmware/psci_checker.c b/drivers/firmware/psci_checker.c index 6523ce9..56cf825 100644 --- a/drivers/firmware/psci_checker.c +++ b/drivers/firmware/psci_checker.c @@ -340,6 +340,7 @@ static int suspend_test_thread(void *arg) * later. */ del_timer(&wakeup_timer); + destroy_timer_on_stack(&wakeup_timer); if (atomic_dec_return_relaxed(&nb_active_threads) == 0) complete(&suspend_threads_done); -- 2.7.4