From 59fffa34069d80662b41438b11130771b4e2a897 Mon Sep 17 00:00:00 2001 From: Alex Shi Date: Thu, 25 Aug 2016 16:42:39 +0800 Subject: [PATCH] cpu: clean up register_cpu func This patch could reduce one branch in this function. Also make the code more readble. Signed-off-by: Alex Shi Acked-by: Daniel Lezcano To: linux-kernel@vger.kernel.org To: Greg Kroah-Hartman Cc: linux-pm@vger.kernel.org Cc: Ulf Hansson Cc: Daniel Lezcano Signed-off-by: Greg Kroah-Hartman --- 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 691eeea2f19a..4c28e1a09786 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) -- 2.20.1