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Subject: Re: [BUG] Btattach, ioctl fails to set flags from 32-bit user space to 64-bit
From: Marcel Holtmann <marcel@holtmann.org>
In-Reply-To: <E49EE6B1-CAEC-43D1-9B95-82EA592F628B@holtmann.org>
Date: Mon, 25 Jan 2016 08:55:11 +0100
Cc: linux-bluetooth@vger.kernel.org
Message-Id: <18D7713A-8106-4B08-B49E-29102CEB3803@holtmann.org>
References: <CAA+NYvTV6WybKuO71Gehm6L2-vjsqVhmu5VjEQCfqFaWi1TU6Q@mail.gmail.com> <C72941BE-7F8A-4CD7-900E-5E8E6E42FD63@holtmann.org> <CAA+NYvRGebocnnYjdy2wLQkqsPT+WiNUE4trOS0zbL547Uar-w@mail.gmail.com> <E49EE6B1-CAEC-43D1-9B95-82EA592F628B@holtmann.org>
To: Jaap Jan Meijer <jjmeijer88@gmail.com>
Sender: linux-bluetooth-owner@vger.kernel.org
List-ID: <linux-bluetooth.vger.kernel.org>

Hi Jaap,

>> Thank you, that was very good guess work. Btattach is now able to
>> attach by bcm43241 in the mixed arch situation. Should I supply a
>> patch or will you just add it? I'll will send-email a patch anyway.
> 
> I just send a patch that should be more correct on all platforms. Can you try that one out please.

actually it might be just some missing COMPATIBLE_IOCTL declarations. I just send a patch for that. The patch is correct by itself, but it might actually fix your issue and no .compat_ioctl is needed.

Regards

Marcel