From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [Xen-devel] [PATCH 2/2] xen:i386:pc_piix: create
 isa bridge specific to IGD passthrough
Date: Tue, 7 Oct 2014 10:27:51 +0300
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To: "Chen, Tiejun" <tiejun.chen@intel.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>, "Kay,
	Allen M" <allen.m.kay@intel.com>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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On Sun, Sep 28, 2014 at 01:38:43PM +0800, Chen, Tiejun wrote:
> >**errp)
> >{
> >     uint32_t value = 0;
> >     XenHostPCIDevice hdev;
> >     int r = 0, num;
> >
> >     r = xen_host_pci_device_get(&hdev, 0, 0, 0x02, 0);
> >     if (!r) {
> >         value = hdev.device_id;
> >
> >         num = sizeof(xen_igd_combo_id_infos)/sizeof(uint16_t);
> 
> Sorry for this one typo:
> 
> sizeof(xen_igd_combo_id_infos)/sizeof(xen_igd_combo_id_infos[0]);
> 
> Tiejun


so don't opencode this, use ARRAY_SIZE.