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Re: [Qemu-devel] [PATCH V2] Fix parse of usb device description with mul
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From: |
Gerd Hoffmann |
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Subject: |
Re: [Qemu-devel] [PATCH V2] Fix parse of usb device description with multiple configurations |
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Date: |
Tue, 13 Dec 2011 14:34:56 +0100 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.24) Gecko/20111104 Red Hat/3.1.16-2.el6_1 Thunderbird/3.1.16 |
On 12/13/11 02:22, address@hidden wrote:
> When testing ipod on QEMU by He Jie Xu<address@hidden>,qemu made a assertion.
> We found that the ipod with 2 configurations,and the usb-linux did not parse
> the descriptor correctly.
> The descr_len returned is the total length of the all configurations,not one
> configuration.
> The older version will through the other configurations instead of
> skip,continue parsing the descriptor of interfaces/endpoints in other
> configurations,then went wrong.
>
> This patch will put the configuration descriptor parse in loop outside and
> dispel the other configurations not requested.
Patch added to usb patch queue.
thanks,
Gerd