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Date: Mon, 17 Nov 2014 14:39:31 +0100
From: Paolo Bonzini <pbonzini@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH 9/9] hcd-musb: fix dereference null return
	value
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To: Gerd Hoffmann <kraxel@redhat.com>, Gonglei <arei.gonglei@huawei.com>
Cc: "Huangweidong (C)" <weidong.huang@huawei.com>, Zhanghailiang <zhang.zhanghailiang@huawei.com>, "qemu-trivial@nongnu.org" <qemu-trivial@nongnu.org>, "mjt@tls.msk.ru" <mjt@tls.msk.ru>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, "Huangpeng (Peter)" <peter.huangpeng@huawei.com>

 17/11/2014 14:36, Gerd Hoffmann wrote:
>>>> @@ -625,8 +626,11 @@ static void musb_packet(MUSBState *s, MUSBEndPoint *ep,
>>>>      /* A wild guess on the FADDR semantics... */
>>>>      dev = usb_find_device(&s->port, ep->faddr[idx]);
>>>>      uep = usb_ep_get(dev, pid, ep->type[idx] & 0xf);
>>>> -    usb_packet_setup(&ep->packey[dir].p, pid, uep, 0,
>>>> -                     (dev->addr << 16) | (uep->nr << 8) | pid, false, true);
>>>> +    id = pid;
>>>> +    if (uep) {
>>>> +        id |= (dev->addr << 16) | (uep->nr << 8);
>>>> +    }
>>>> +    usb_packet_setup(&ep->packey[dir].p, pid, uep, 0, id, false, true);
>>>>      usb_packet_addbuf(&ep->packey[dir].p, ep->buf[idx], len);
>>>>      ep->packey[dir].ep = ep;
>>>>      ep->packey[dir].dir = dir;
>>>
>>> This is a good approach, id is just a identifying. Thanks,
>>>
>>
>> Let me split the patch from this series as a separate patch
>> and add Paolo's signed-off-by.
>>
>> Asking for Gerd's reviewing, Thanks.
> 
> Looks good to me.

Thanks, then I'll pick it up.

Paolo