Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Sun, 28 Feb 2021 09:12:03 +0800
From:   Shawn Guo <shawn.guo@linaro.org>
To:     Dan Carpenter <dan.carpenter@oracle.com>
Cc:     kbuild@lists.01.org, lkp@intel.com, kbuild-all@lists.01.org,
        linux-kernel@vger.kernel.org,
        Viresh Kumar <viresh.kumar@linaro.org>
Subject: Re: drivers/cpufreq/qcom-cpufreq-hw.c:377 qcom_cpufreq_hw_cpu_init()
 error: we previously assumed 'data' could be null (see line 327)
Message-ID: <20210228011202.GD24428@dragon>
References: <20210227092620.GD2087@kadam>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20210227092620.GD2087@kadam>
User-Agent: Mutt/1.9.4 (2018-02-28)
Precedence: bulk

On Sat, Feb 27, 2021 at 12:26:20PM +0300, Dan Carpenter wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   8b83369ddcb3fb9cab5c1088987ce477565bb630
> commit: 67fc209b527d023db4d087c68e44e9790aa089ef cpufreq: qcom-hw: drop devm_xxx() calls from init/exit hooks
> config: arm64-randconfig-m031-20210226 (attached as .config)
> compiler: aarch64-linux-gcc (GCC) 9.3.0
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
> Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
> 
> smatch warnings:
> drivers/cpufreq/qcom-cpufreq-hw.c:377 qcom_cpufreq_hw_cpu_init() error: we previously assumed 'data' could be null (see line 327)
> drivers/cpufreq/qcom-cpufreq-hw.c:377 qcom_cpufreq_hw_cpu_init() error: dereferencing freed memory 'data'

Thanks for the report!  I will send a fix for it right away.

Shawn