cpufreq: qcom-hw: fix dereferencing freed memory 'data'

stable inclusion
from stable-5.10.24
commit 7dfe37e9ea6985c932b2d4fd5ba67b889b453488
bugzilla: 51348

--------------------------------

[ Upstream commit 02fc4095 ]

Commit 67fc209b ("cpufreq: qcom-hw: drop devm_xxx() calls from
init/exit hooks") introduces an issue of dereferencing freed memory
'data'.  Fix it.

Fixes: 67fc209b ("cpufreq: qcom-hw: drop devm_xxx() calls from init/exit hooks")
Reported-by: Nkernel test robot <lkp@intel.com>
Reported-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NShawn Guo <shawn.guo@linaro.org>
Signed-off-by: NViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Acked-by: N  Weilong Chen <chenweilong@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

drivers/cpufreq/qcom-cpufreq-hw.c

@@ -368,7 +368,7 @@ static int qcom_cpufreq_hw_cpu_init(struct cpufreq_policy *policy)
 error:
 	kfree(data);
 unmap_base:
-	iounmap(data->base);
+	iounmap(base);
 release_region:
 	release_mem_region(res->start, resource_size(res));
 	return ret;