ath9k: fix typo in US tx power reduction fix

Use max_t instead of min_t to prevent the value from going below zero

Signed-off-by: Felix Fietkau <nbd@nbd.name>
master
Felix Fietkau 7 years ago
parent 9e64874fb2
commit 35868234e7
  1. 2
      package/kernel/mac80211/patches/330-ath9k-adjust-tx-power-reduction-for-US-regulatory-do.patch

@ -16,7 +16,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
+ /* FCC allows maximum antenna gain of 3 dBi */
+ if (reg->region == NL80211_DFS_FCC)
+ ant_reduction = min_t(int, ant_reduction - 6, 0);
+ ant_reduction = max_t(int, ant_reduction - 6, 0);
+
ah->eep_ops->set_txpower(ah, chan, ctl, ant_reduction, new_pwr, test);
}

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