[PATCH master] ARM: psci: fix NULL pointer dereference on CPU idle

Ahmad Fatoum a.fatoum at pengutronix.de
Wed Sep 30 09:56:03 EDT 2020


We guard against cpu_off being NULL, but dereference cpu_suspend
instead.

Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
---
Cc: lst at pengutronix.de
Cc: jbe at pengutronix.de
Cc: jlu at pengutronix.de
---
 arch/arm/cpu/psci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/cpu/psci.c b/arch/arm/cpu/psci.c
index 436561f8649f..d1056e0659da 100644
--- a/arch/arm/cpu/psci.c
+++ b/arch/arm/cpu/psci.c
@@ -89,7 +89,7 @@ static unsigned long psci_cpu_suspend(u32 power_state, unsigned long entry,
 {
 	psci_printf("%s\n", __func__);
 
-	if (psci_ops->cpu_off)
+	if (psci_ops->cpu_suspend)
 		return psci_ops->cpu_suspend(power_state, entry, context_id);
 
 	return ARM_PSCI_RET_NOT_SUPPORTED;
-- 
2.28.0




More information about the barebox mailing list