[PATCH] cpufreq: mediatek: Fix NULL pointer dereference in mediatek-cpufreq

From: Wan Jiabing
Date: Tue Apr 26 2022 - 07:17:42 EST


Fix following coccicheck error:
drivers/cpufreq/mediatek-cpufreq.c:464:16-23: ERROR: info is NULL but dereferenced.

Use pr_err instead of dev_err to avoid dereferring a NULL pointer.

Fixes: f52b16ba9fe4 ("cpufreq: mediatek: Use device print to show logs")
Signed-off-by: Wan Jiabing <wanjiabing@xxxxxxxx>
---
drivers/cpufreq/mediatek-cpufreq.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/cpufreq/mediatek-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c
index bcabb3726a5b..901042e9a240 100644
--- a/drivers/cpufreq/mediatek-cpufreq.c
+++ b/drivers/cpufreq/mediatek-cpufreq.c
@@ -461,8 +461,8 @@ static int mtk_cpufreq_init(struct cpufreq_policy *policy)

info = mtk_cpu_dvfs_info_lookup(policy->cpu);
if (!info) {
- dev_err(info->cpu_dev,
- "dvfs info for cpu%d is not initialized.\n", policy->cpu);
+ pr_err("dvfs info for cpu%d is not initialized.\n",
+ policy->cpu);
return -EINVAL;
}

--
2.35.3