Re: 回复: [PATCH v3] usb: gadget: function: fix missing spinlock in f_uac1_legacy

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A: http://en.wikipedia.org/wiki/Top_post
Q: Were do I find info about this thing called top-posting?
A: Because it messes up the order in which people normally read text.
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http://daringfireball.net/2007/07/on_top


On Tue, Jul 07, 2020 at 02:28:36AM +0000, Zhang, Qiang wrote:
> Hi Greg KH
> In the early submission:
> "commit id c6994e6f067cf0fc4c6cca3d164018b1150916f8" which add USB Audio Gadget driver "   
> the "audio->play_queue" was protected from "audio->lock"
> spinlock in "playback_work" func, But in "f_audio_out_ep_complete" func 
> there is no protection for the operation of this "audio->play_queue". there
> are missing spinlock,  Fix tags should add up here commit?

I really do not understand what you are asking here, sorry.

greg k-h



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