Search Linux Wireless

[PATCH 1/2] ath9k: Check for identical channels when changing channels.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Ben Greear <greearb@xxxxxxxxxxxxxxx>

Don't do un-needed work.  Should be useful when scanning on
only the working channel.

Signed-off-by: Ben Greear <greearb@xxxxxxxxxxxxxxx>
---
:100644 100644 a133878... 4d34ba5... M	drivers/net/wireless/ath/ath9k/main.c
 drivers/net/wireless/ath/ath9k/main.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index a133878..4d34ba5 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1602,6 +1602,11 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 		struct ieee80211_channel *curchan = hw->conf.channel;
 		int pos = curchan->hw_value;
 
+		/* If channels are the same, then don't actually do anything.
+		 */
+		if (sc->sc_ah->curchan == &sc->sc_ah->channels[pos])
+			goto skip_chan_change;
+
 		aphy->chan_idx = pos;
 		aphy->chan_is_ht = conf_is_ht(conf);
 		if (hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
-- 
1.7.2.2

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Device Mapper]
  Powered by Linux