linux-kernel - [PATCH 4.16 41/64] cpufreq: ti-cpufreq: Fix an incorrect error return value

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Date:   Sun, 24 Jun 2018 23:22:22 +0800
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Suman Anna <s-anna@...com>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Subject: [PATCH 4.16 41/64] cpufreq: ti-cpufreq: Fix an incorrect error return value

4.16-stable review patch.  If anyone has any objections, please let me know.

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

From: Suman Anna <s-anna@...com>

commit e5d295b06d69a1924665a16a4987be475addd00f upstream.

Commit 05829d9431df (cpufreq: ti-cpufreq: kfree opp_data when
failure) has fixed a memory leak in the failure path, however
the patch returned a positive value on get_cpu_device() failure
instead of the previous negative value. Fix this incorrect error
return value properly.

Fixes: 05829d9431df (cpufreq: ti-cpufreq: kfree opp_data when failure)
Cc: 4.14+ <stable@...r.kernel.org> # v4.14+
Signed-off-by: Suman Anna <s-anna@...com>
Acked-by: Viresh Kumar <viresh.kumar@...aro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/cpufreq/ti-cpufreq.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/cpufreq/ti-cpufreq.c
+++ b/drivers/cpufreq/ti-cpufreq.c
@@ -226,7 +226,7 @@ static int ti_cpufreq_probe(struct platf
 	opp_data->cpu_dev = get_cpu_device(0);
 	if (!opp_data->cpu_dev) {
 		pr_err("%s: Failed to get device for CPU0\n", __func__);
-		ret = ENODEV;
+		ret = -ENODEV;
 		goto free_opp_data;
 	}