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-rw-r--r--kernel/kexec.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/kexec.c b/kernel/kexec.c
index b81682312dc4..17c80fdc453b 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -1457,6 +1457,7 @@ int kernel_kexec(void)
error = disable_nonboot_cpus();
if (error)
goto Resume_devices;
+ device_pm_lock();
local_irq_disable();
/* At this point, device_suspend() has been called,
* but *not* device_power_down(). We *must*
@@ -1485,6 +1486,7 @@ int kernel_kexec(void)
device_power_up(PMSG_RESTORE);
Enable_irqs:
local_irq_enable();
+ device_pm_unlock();
enable_nonboot_cpus();
Resume_devices:
device_resume(PMSG_RESTORE);