target/linux/mediatek/patches-5.15/350-08-cpufreq-mediatek-Fix-NULL-pointer-dereference-in-med.patch

   1 From fa7030d8ad4638acfd9e0fac84a20716d031dc95 Mon Sep 17 00:00:00 2001
   2 From: Wan Jiabing <wanjiabing@vivo.com>
   3 Date: Tue, 26 Apr 2022 19:17:14 +0800
   4 Subject: [PATCH 08/21] cpufreq: mediatek: Fix NULL pointer dereference in
   5  mediatek-cpufreq
   6
   7 Fix following coccicheck error:
   8 drivers/cpufreq/mediatek-cpufreq.c:464:16-23: ERROR: info is NULL but dereferenced.
   9
  10 Use pr_err instead of dev_err to avoid dereferring a NULL pointer.
  11
  12 Fixes: f52b16ba9fe4 ("cpufreq: mediatek: Use device print to show logs")
  13 Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
  14 Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
  15 Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
  16 ---
  17  drivers/cpufreq/mediatek-cpufreq.c | 4 ++--
  18  1 file changed, 2 insertions(+), 2 deletions(-)
  19
  20 --- a/drivers/cpufreq/mediatek-cpufreq.c
  21 +++ b/drivers/cpufreq/mediatek-cpufreq.c
  22 @@ -463,8 +463,8 @@ static int mtk_cpufreq_init(struct cpufr
  23
  24         info = mtk_cpu_dvfs_info_lookup(policy->cpu);
  25         if (!info) {
  26 -               dev_err(info->cpu_dev,
  27 -                       "dvfs info for cpu%d is not initialized.\n", policy->cpu);
  28 +               pr_err("dvfs info for cpu%d is not initialized.\n",
  29 +                       policy->cpu);
  30                 return -EINVAL;
  31         }
  32