Re: [PATCH] Bluetooth: fix MTU L2CAP configuration parameter

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On Wed, Sep 01, 2010 at 02:17:25PM +0200, ext Emeltchenko Andrei wrote:
> From: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
> 
> When receiving L2CAP negative configuration response with respect
> to MTU parameter we modify wrong field. MTU here means proposed
> value of MTU that the remote device intends to transmit. So for local
> L2CAP socket it is pi->imtu.
> 

Yes imtu is negotiated in this phase.

> Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>

Acked-by: Ville Tervo <ville.tervo@xxxxxxxxx>

> ---
>  net/bluetooth/l2cap.c |    6 +++---
>  1 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
> index c784703..9fad312 100644
> --- a/net/bluetooth/l2cap.c
> +++ b/net/bluetooth/l2cap.c
> @@ -2771,10 +2771,10 @@ static int l2cap_parse_conf_rsp(struct sock *sk, void *rsp, int len, void *data,
>  		case L2CAP_CONF_MTU:
>  			if (val < L2CAP_DEFAULT_MIN_MTU) {
>  				*result = L2CAP_CONF_UNACCEPT;
> -				pi->omtu = L2CAP_DEFAULT_MIN_MTU;
> +				pi->imtu = L2CAP_DEFAULT_MIN_MTU;
>  			} else
> -				pi->omtu = val;
> -			l2cap_add_conf_opt(&ptr, L2CAP_CONF_MTU, 2, pi->omtu);
> +				pi->imtu = val;
> +			l2cap_add_conf_opt(&ptr, L2CAP_CONF_MTU, 2, pi->imtu);
>  			break;
>  
>  		case L2CAP_CONF_FLUSH_TO:
> -- 
> 1.7.0.4


-- 
Ville
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