RE: [PATCH] Bluetooth: mesh: Correct segmentation logic

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Hi Luiz, Marcel, Johan:

This is a legitimate and important fix.  Please apply ASAP.

> -----Original Message-----
> From: linux-bluetooth-owner@xxxxxxxxxxxxxxx [mailto:linux-bluetooth-
> owner@xxxxxxxxxxxxxxx] On Behalf Of Steve Brown
> Sent: Wednesday, October 11, 2017 12:06 PM
> To: linux-bluetooth@xxxxxxxxxxxxxxx
> Subject: [PATCH] Bluetooth: mesh: Correct segmentation logic
> 
> The decision whether to segment or not didn't consider the size of the MIC
> 
> diff --git a/mesh/net.c b/mesh/net.c
> index 2d75c4f7d..96e82fe1c 100644
> --- a/mesh/net.c
> +++ b/mesh/net.c
> @@ -2098,7 +2098,7 @@ bool net_access_layer_send(uint8_t ttl, uint16_t
> src, uint32_t dst,
>  	if (!result)
>  		return false;
> 
> -	segN = SEG_MAX(len);
> +	segN = SEG_MAX(len + sizeof(uint32_t));
> 
>  	/* Only one ACK required SAR message per destination at a time */
>  	if (segN && IS_UNICAST(dst)) {
> --
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