tree 63dd36a09a9b603931333b94e94c7c4b20e2bb02
parent 68f9032e77373ab64d257699e9976f341a571b07
author Leonard Crestez <leonard.crestez@nxp.com> 1569310013 +0300
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1578824655 +0100

PM / devfreq: Check NULL governor in available_governors_show

commit d68adc8f85cd757bd33c8d7b2660ad6f16f7f3dc upstream.

The governor is initialized after sysfs attributes become visible so in
theory the governor field can be NULL here.

Fixes: bcf23c79c4e46 ("PM / devfreq: Fix available_governor sysfs")
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>