linux-kernel - RE: [PATCH v2 3/3] usb: dwc3: gadget: return error if command sent to DEPCMD register fails

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <F1B223389110CE49B4CF055ABA2E5D3D7824AE49@XAP-PVEXMBX02.xlnx.xilinx.com>
Date:	Wed, 1 Jul 2015 07:29:28 +0000
From:	Subbaraya Sundeep Bhatta <subbaraya.sundeep.bhatta@...inx.com>
To:	"balbi@...com" <balbi@...com>
CC:	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: RE: [PATCH v2 3/3] usb: dwc3: gadget: return error if command sent
 to DEPCMD register fails

Hi Felipe,

> -----Original Message-----
> From: Felipe Balbi [mailto:balbi@...com]
> Sent: Tuesday, June 30, 2015 3:17 AM
> To: Subbaraya Sundeep Bhatta
> Cc: balbi@...com; gregkh@...uxfoundation.org; linux-usb@...r.kernel.org;
> linux-kernel@...r.kernel.org; stable@...r.kernel.org; Subbaraya Sundeep
> Bhatta
> Subject: Re: [PATCH v2 3/3] usb: dwc3: gadget: return error if command
> sent to DEPCMD register fails
> 
> Hi,
> 
> On Thu, May 21, 2015 at 03:46:48PM +0530, Subbaraya Sundeep Bhatta
> wrote:
> > We need to return error to caller if command is not sent to controller
> > succesfully.
> >
> > Signed-off-by: Subbaraya Sundeep Bhatta <sbhatta@...inx.com>
> > Fixes: 72246da40f37 (usb: Introduce DesignWare USB3 DRD Driver)
> > Cc: <stable@...r.kernel.org>
> > ---
> > v2 changes:
> > 	Added Fixes and Cc in commit message.
> 
> I noticed that this breaks at least my AM437x silicon with DWC3 2.40a
> when used with g_zero and testusb. As of now, it could be that silicon is
> mis-behaving because I got a Transfer Complete before the failing Set
> Endpoint Transfer Resource command.
> 
> In any case, can you run on your setup with g_zero and test.sh/testusb
> [1]/[2] just to verify that it really works for you ?

Ok I will do that.

Thanks,
Sundeep.B.S.

> 
> Meanwhile, I'll continue testing on my end.
> 
> cheers
> 
> [1] https://gitorious.org/usb/usb-
> tools/source/47ef073d9b6c0eae816204c81374aafb795c6e40:testusb.c
> [2] https://gitorious.org/usb/usb-
> tools/source/47ef073d9b6c0eae816204c81374aafb795c6e40:test.sh
> 
> --
> balbi
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/