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Re: [PATCH 3.7 1/2] cfg80211: fix antenna gain handling

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On 10/05/2012 10:22 PM, John W. Linville wrote:
Anyone object?  I suspect that Johannes may be a little more
busy/distracted than usual for the next few days/weeks...

John

On Wed, Oct 03, 2012 at 07:51:46PM +0200, Felix Fietkau wrote:
When not intersecting, orig->chan_mag is initialized to zero. Because of
that, the regulatory antenna gain limit never gets set.

Signed-off-by: Felix Fietkau <nbd@xxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
---
  net/wireless/reg.c |    3 +--
  1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 3b8cbbc..1a16f19 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -915,8 +915,7 @@ static void handle_channel(struct wiphy *wiphy,

  	chan->beacon_found = false;
  	chan->flags = flags | bw_flags | map_regdom_flags(reg_rule->flags);
-	chan->max_antenna_gain = min(chan->orig_mag,
-		(int) MBI_TO_DBI(power_rule->max_antenna_gain));

Just reading the commit message, I would think it better to initialize chan->orig_mag to INT_MAX. Just my 0.02$

Gr. AvS

+	chan->max_antenna_gain = (int) MBI_TO_DBI(power_rule->max_antenna_gain);
  	chan->max_reg_power = (int) MBM_TO_DBM(power_rule->max_eirp);
  	if (chan->orig_mpwr) {
  		/*
--
1.7.9.6 (Apple Git-31.1)





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