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Groups > linux.kernel > #1466216

[PATCH 1/4] cpu: clean up register_cpu func

From Alex Shi <alex.shi@linaro.org>
Newsgroups linux.kernel
Subject [PATCH 1/4] cpu: clean up register_cpu func
Date 2016-08-19 10:30 +0200
Message-ID <s7NlD-3dZ-1@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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This patch could reduce one branch in this function. Also
make the code more readble.

Signed-off-by: Alex Shi <alex.shi@linaro.org>
To: linux-kernel@vger.kernel.org
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
---
 drivers/base/cpu.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 691eeea..4c28e1a 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -371,12 +371,13 @@ int register_cpu(struct cpu *cpu, int num)
 	if (cpu->hotpluggable)
 		cpu->dev.groups = hotplugable_cpu_attr_groups;
 	error = device_register(&cpu->dev);
-	if (!error)
-		per_cpu(cpu_sys_devices, num) = &cpu->dev;
-	if (!error)
-		register_cpu_under_node(num, cpu_to_node(num));
+	if (error)
+		return error;
 
-	return error;
+	per_cpu(cpu_sys_devices, num) = &cpu->dev;
+	register_cpu_under_node(num, cpu_to_node(num));
+
+	return 0;
 }
 
 struct device *get_cpu_device(unsigned cpu)
-- 
2.8.1.101.g72d917a

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Thread

[PATCH 1/4] cpu: clean up register_cpu func Alex Shi <alex.shi@linaro.org> - 2016-08-19 10:30 +0200
  [PATCH 2/4] cpu: expose pm_qos_resume_latency for each cpu Alex Shi <alex.shi@linaro.org> - 2016-08-19 10:30 +0200
    Re: [PATCH 2/4] cpu: expose pm_qos_resume_latency for each cpu Alex Shi <alex.shi@linaro.org> - 2016-08-22 06:50 +0200
  [PATCH 4/4] cpuidle/menu: add per cpu pm_qos_resume_latency consideration Alex Shi <alex.shi@linaro.org> - 2016-08-19 10:30 +0200
  [PATCH 3/4] cpuidle/menu: stop seeking deeper idle if current state is too deep Alex Shi <alex.shi@linaro.org> - 2016-08-19 10:30 +0200
  Re: [PATCH 1/4] cpu: clean up register_cpu func Alex Shi <alex.shi@linaro.org> - 2016-08-22 05:30 +0200
  Re: [PATCH 1/4] cpu: clean up register_cpu func Daniel Lezcano <daniel.lezcano@linaro.org> - 2016-08-22 19:00 +0200

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