Commit d68adc8f authored Sep 24, 2019 by Leonard Crestez Committed by Chanwoo Choi Nov 06, 2019

PM / devfreq: Check NULL governor in available_governors_show



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

Fixes: bcf23c79 ("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>

parent 36eba5de

drivers/devfreq/devfreq.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1195,7 +1195,7 @@ static ssize_t available_governors_show(struct device *d,
		* 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);
		/*

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