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Date:	Tue,  7 Oct 2014 16:19:26 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Subject: [PATCH 3.16 10/26] cpufreq: integrator: fix integrator_cpufreq_remove return type

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

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

From: Arnd Bergmann <arnd@...db.de>

commit d62dbf77f7dfaa6fb455b4b9828069a11965929c upstream.

When building this driver as a module, we get a helpful warning
about the return type:

drivers/cpufreq/integrator-cpufreq.c:232:2: warning: initialization from incompatible pointer type
  .remove = __exit_p(integrator_cpufreq_remove),

If the remove callback returns void, the caller gets an undefined
value as it expects an integer to be returned. This fixes the
problem by passing down the value from cpufreq_unregister_driver.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/cpufreq/integrator-cpufreq.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/cpufreq/integrator-cpufreq.c
+++ b/drivers/cpufreq/integrator-cpufreq.c
@@ -213,9 +213,9 @@ static int __init integrator_cpufreq_pro
 	return cpufreq_register_driver(&integrator_driver);
 }
 
-static void __exit integrator_cpufreq_remove(struct platform_device *pdev)
+static int __exit integrator_cpufreq_remove(struct platform_device *pdev)
 {
-	cpufreq_unregister_driver(&integrator_driver);
+	return cpufreq_unregister_driver(&integrator_driver);
 }
 
 static const struct of_device_id integrator_cpufreq_match[] = {


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