From: 'Greg Kroah-Hartman' <gregkh@linuxfoundation.org>
To: linyyuan@codeaurora.org
Cc: 'Felipe Balbi' <balbi@kernel.org>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH] usb: gadget: eem: fix command packet transfer issue
Date: Thu, 10 Jun 2021 08:49:06 +0200 [thread overview]
Message-ID: <YMG14paBDjYmrxhs@kroah.com> (raw)
In-Reply-To: <000201d75dbf$58d1cc40$0a7564c0$@codeaurora.org>
On Thu, Jun 10, 2021 at 02:10:40PM +0800, linyyuan@codeaurora.org wrote:
> From: Linyu Yuan <linyyuan@codeaurora.com>
>
> there is following warning,
> [<ffffff8008905a94>] dwc3_gadget_ep_queue+0x1b4/0x1c8
> [<ffffff800895ec9c>] usb_ep_queue+0x3c/0x120
> [<ffffff80089677a0>] eem_unwrap+0x180/0x330
> [<ffffff80089634f8>] rx_complete+0x70/0x230
> [<ffffff800895edbc>] usb_gadget_giveback_request+0x3c/0xe8
> [<ffffff8008901e7c>] dwc3_gadget_giveback+0xb4/0x190
> [<ffffff8008905254>] dwc3_endpoint_transfer_complete+0x32c/0x410
> [<ffffff80089060fc>] dwc3_bh_work+0x654/0x12e8
> [<ffffff80080c63fc>] process_one_work+0x1d4/0x4a8
> [<ffffff80080c6720>] worker_thread+0x50/0x4a8
> [<ffffff80080cc8e8>] kthread+0xe8/0x100
> [<ffffff8008083980>] ret_from_fork+0x10/0x50
> request ffffffc0716bf200 belongs to 'ep0out'
>
> when gadget receive a eem command packet from host, it need to response,
> but queue usb request to wrong endpoint.
> fix it by queue usb request to eem IN endpoint and allow host read it.
>
> Cc: stable <stable@vger.kernel.org>
> Signed-off-by: Linyu Yuan <linyyuan@codeaurora.org>
> ---
> drivers/usb/gadget/function/f_eem.c | 44
> ++++++++++++++++++++++++++++++++-----
Your patch is line-wrapped and can not be applied :(
Please fix your email client to properly send patches correctly.
thanks,
greg k-h
next prev parent reply other threads:[~2021-06-10 6:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-10 6:10 [PATCH] usb: gadget: eem: fix command packet transfer issue linyyuan
2021-06-10 6:49 ` 'Greg Kroah-Hartman' [this message]
2021-06-10 6:50 ` 'Greg Kroah-Hartman'
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