linux-kernel - [108/156] ath9k: configure the beacon only if the STA is associated

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Message-Id: <20100330224831.414726639@linux.site>
Date:	Tue, 30 Mar 2010 15:42:22 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Senthil Balasubramanian <senthilkumar@...eros.com>,
	"John W. Linville" <linville@...driver.com>,
	"Luis R. Rodriguez" <lrodriguez@...eros.com>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [108/156] ath9k: configure the beacon only if the STA is associated

2.6.33-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Senthil Balasubramanian <senthilkumar@...eros.com>

commit 1a20034a73a40b8056731f9db0c535cec2961eb7 upstream.

beacons configuration SHOULD be done only if the STA is associated.

Signed-off-by: Senthil Balasubramanian <senthilkumar@...eros.com>
Signed-off-by: John W. Linville <linville@...driver.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@...eros.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/net/wireless/ath/ath9k/beacon.c |    7 +++++++
 1 file changed, 7 insertions(+)

--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -573,6 +573,13 @@ static void ath_beacon_config_sta(struct
 	u64 tsf;
 	int num_beacons, offset, dtim_dec_count, cfp_dec_count;
 
+	/* No need to configure beacon if we are not associated */
+	if (!common->curaid) {
+		ath_print(common, ATH_DBG_BEACON,
+			 "STA is not yet associated..skipping beacon config\n");
+		return;
+	}
+
 	memset(&bs, 0, sizeof(bs));
 	intval = conf->beacon_interval & ATH9K_BEACON_PERIOD;
 


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