cpufreq: qcom-hw: Fix return value check in qcom_cpufreq_hw_cpu_init()

[ Upstream commit 536eb97abeba857126ad055de5923fa592acef25 ]

In case of error, the function ioremap() returns NULL pointer
not ERR_PTR(). The IS_ERR() test in the return value check
should be replaced with NULL test.

Fixes: 67fc209b527d ("cpufreq: qcom-hw: drop devm_xxx() calls from init/exit hooks")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c
index 5cdd20e387713e5fda620e569862bfbe4b8cf2f8..6de07556665b1dbc9170b8fe9d83a8bf8e0c4ae1 100644 (file)
--- a/drivers/cpufreq/qcom-cpufreq-hw.c
+++ b/drivers/cpufreq/qcom-cpufreq-hw.c
@@ -317,9 +317,9 @@ static int qcom_cpufreq_hw_cpu_init(struct cpufreq_policy *policy)
        }
 
        base = ioremap(res->start, resource_size(res));
-       if (IS_ERR(base)) {
+       if (!base) {
                dev_err(dev, "failed to map resource %pR\n", res);
-               ret = PTR_ERR(base);
+               ret = -ENOMEM;
                goto release_region;
        }