linux-kernel - Re: [PATCH v2] HID: logitech-hidpp: store the name of the device in struct hidpp

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Message-ID: <alpine.LNX.2.00.1501091130360.15299@pobox.suse.cz>
Date:	Fri, 9 Jan 2015 11:30:59 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Benjamin Tissoires <benjamin.tissoires@...hat.com>
cc:	Peter Wu <peter@...ensteyn.nl>,
	Nestor Lopez Casado <nlopezcasad@...itech.com>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] HID: logitech-hidpp: store the name of the device in
 struct hidpp

On Thu, 8 Jan 2015, Benjamin Tissoires wrote:

> If a disconnect occurs while getting the actual name of the device
> (which can take several HID transactions), the name of the device will
> be the hid name, provided by the Unifying Receiver.
> This means that in some cases, the user space will see a different
> name that what it usually sees when there is no disconnect.
> 
> We should store the name of the device in the struct hidpp. That way,
> if a disconnect occurs while we are accessing the name,
> hidpp_connect_event() can fail, and the input node is not created.
> 
> The input node will be created only if we have a connection which
> lasts long enough to retrieve all the requested information:
> name, protocol, and specific configuration.
> 
> Reviewed-by: Peter Wu <peter@...ensteyn.nl>
> Tested-by: Peter Wu <peter@...ensteyn.nl>
> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>

Applied to for-3.20/logitech.

Thanks,

-- 
Jiri Kosina
SUSE Labs
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