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Re: [PATCH v2] mac80211: Fix a case of incorrect metric used when forwarding a PREQ

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On Tue, 2015-06-09 at 16:20 -0700, Alexis Green wrote:
> This patch fixes a bug in hwmp_preq_frame_process where the wrong metric
> can be used when forwarding a PREQ. This happens because the code uses
> the same metric variable to record the value of the metric to the source
> of the PREQ and the value of the metric to the target of the PREQ.
> 
> This comes into play when both reply and forward are set which happens
> when IEEE80211_PREQ_PROACTIVE_PREP_FLAG is set and when MP_F_DO | MP_F_RF
> is set. The original code had a special case to handle the first case
> but not the second.
> 
> The patch uses distinct variables for the two metrics which makes the
> code flow much clearer and removes the need to restore the original
> value of metric when forwarding.

Applied, thanks.

johannes

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