linux-kernel - Re: [PATCH v8 01/22] PCI, acpiphp: Add is_hotplug

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Message-ID: <CAE9FiQUsLCDBV6nNW+YhCkW+d9cY-+kRFB3yRocDZRnBT=BtUw@mail.gmail.com>
Date:	Mon, 14 Jan 2013 23:05:47 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Yijing Wang <wangyijing@...wei.com>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>, Len Brown <lenb@...nel.org>,
	Taku Izumi <izumi.taku@...fujitsu.com>,
	Jiang Liu <jiang.liu@...wei.com>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: Re: [PATCH v8 01/22] PCI, acpiphp: Add is_hotplug_bridge detection

On Mon, Jan 14, 2013 at 10:45 PM, Yijing Wang <wangyijing@...wei.com> wrote:
>> +     list_for_each_entry(func, &slot->funcs, sibling) {
>> +             if (PCI_FUNC(dev->devfn) == func->function) {
>> +                     /* check if this bridge has ejectable slots */
>> +                     if ((detect_ejectable_slots(func->handle) > 0))
>> +                             dev->is_hotplug_bridge = 1;
>> +                     break;
>
> Hi Yinghai,
>    Need to put the "break" in parentheses of "if"? If the first func which device number == dev->devfn has't ejectable slot,
> don't check the rest funcs whether have ejectable slots?

no, we should break when PCI_FUNC(dev->devfn) == func->function

that iteration is for find the func for dev.

Thanks

Yinghai
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