Re: [PATCH 3.12 064/146] Bluetooth: Fix redundant encryption request for reauthentication

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Hi,

On Mon, Jun 09, 2014, Jiri Slaby wrote:
> 3.12-stable review patch.  If anyone has any objections, please let me know.
> 
> ===============
> 
> commit 09da1f3463eb81d59685df723b1c5950b7570340 upstream.
> 
> When we're performing reauthentication (in order to elevate the
> security level from an unauthenticated key to an authenticated one) we
> do not need to issue any encryption command once authentication
> completes. Since the trigger for the encryption HCI command is the
> ENCRYPT_PEND flag this flag should not be set in this scenario.
> Instead, the REAUTH_PEND flag takes care of all necessary steps for
> reauthentication.
> 
> Signed-off-by: Johan Hedberg <johan.hedberg@xxxxxxxxx>
> Signed-off-by: Marcel Holtmann <marcel@xxxxxxxxxxxx>
> Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
> ---
>  net/bluetooth/hci_conn.c | 9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)

This one seems to be causing a regression, so it's probably best to keep
it out of stable trees for now:

https://bugzilla.kernel.org/show_bug.cgi?id=77541

Johan
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