From: Leonard Crestez leonard.crestez@nxp.com
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
--- drivers/devfreq/devfreq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -974,7 +974,7 @@ static ssize_t available_governors_show( * The devfreq with immutable governor (e.g., passive) shows * only own governor. */ - if (df->governor->immutable) { + if (df->governor && df->governor->immutable) { count = scnprintf(&buf[count], DEVFREQ_NAME_LEN, "%s ", df->governor_name); /*