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Message-Id: <48E8A989-AE89-4F59-84F4-075911F4FC75@holtmann.org>
Date:   Fri, 6 Sep 2019 16:12:41 +0200
From:   Marcel Holtmann <marcel@...tmann.org>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     Dan Elkouby <streetwalkermc@...il.com>,
        Johan Hedberg <johan.hedberg@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Fabian Henneke <fabian.henneke@...il.com>,
        Brian Norris <computersforpeace@...il.com>,
        Al Viro <viro@...iv.linux.org.uk>,
        Andrea Parri <andrea.parri@...rulasolutions.com>,
        linux-bluetooth@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Bluetooth: hidp: Fix error checks in
 hidp_get/set_raw_report

Hi Dan,

>>> Commit 48d9cc9d85dd ("Bluetooth: hidp: Let hidp_send_message return
>>> number of queued bytes") changed hidp_send_message to return non-zero
>>> values on success, which some other bits did not expect. This caused
>>> spurious errors to be propagated through the stack, breaking some (all?)
>>> drivers, such as hid-sony for the Dualshock 4 in Bluetooth mode.
>>> 
>>> Signed-off-by: Dan Elkouby <streetwalkermc@...il.com>
>>> ---
>>> net/bluetooth/hidp/core.c | 4 ++--
>>> 1 file changed, 2 insertions(+), 2 deletions(-)
>> 
>> patch has been applied to bluetooth-next tree.
>> 
> 
> The v2 added an additional fix and used the Fixes tag.  Could you apply
> that instead?

see my reply to Jiri. I replied to the wrong patch, but actually applied to the updated one.

Regards

Marcel

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