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| author | Leonard Crestez <leonard.crestez@nxp.com> | 2019-09-24 09:26:53 +0200 |
|---|---|---|
| committer | Chanwoo Choi <cw00.choi@samsung.com> | 2019-11-06 04:03:59 +0100 |
| commit | d68adc8f85cd757bd33c8d7b2660ad6f16f7f3dc (patch) | |
| tree | a6e3df4b4769af757083cda3a3e2fc9b79598b56 /drivers/devfreq/devfreq.c | |
| parent | dt-bindings: devfreq: exynos-bus: Remove unused property (diff) | |
| download | linux-d68adc8f85cd757bd33c8d7b2660ad6f16f7f3dc.tar.xz linux-d68adc8f85cd757bd33c8d7b2660ad6f16f7f3dc.zip | |
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: 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>
Diffstat (limited to '')
| -rw-r--r-- | drivers/devfreq/devfreq.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index b905963cea7d..60859a2400bc 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -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); /* |