Add loop to prevent return from machine_power_off if pm_power_off is null or does not halt the system. This caused a panic during hibernation testing on Kirkwood Openblocks A6 board.
Signed-off-by: Sebastian Capella <sebastian.cape...@linaro.org> Reported-by: Ezequiel Garcia <ezequiel.gar...@free-electrons.com> Cc: Len Brown <len.br...@intel.com> Cc: Pavel Machek <pa...@ucw.cz> Cc: "Rafael J. Wysocki" <r...@rjwysocki.net> --- arch/arm/kernel/process.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index f58b723..6ffdc2c 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -217,6 +217,8 @@ void machine_power_off(void) if (pm_power_off) pm_power_off(); + while (1) + cpu_relax(); } /* -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/