[Precise][SRU] iwlwifi: dvm: fix zero LQ CMD sending avoidance

[Luis Henriques]

From: Emmanuel Grumbach <emmanuel.grumbach at intel.com>

BugLink: http://bugs.launchpad.net/bugs/1186932

In 63b77bf489881747c5118476918cc8c29378ee63

	iwlwifi: dvm: don't send zeroed LQ cmd

I tried to avoid to send zeroed LQ cmd, but I made a (very)
stupid mistake in the memcmp.
Since this patch has been ported to stable, the fix should
go to stable too.

This fixes https://bugzilla.kernel.org/show_bug.cgi?id=58341

Cc: stable at vger.kernel.org
Reported-by: Hinnerk van Bruinehsen <h.v.bruinehsen at fu-berlin.de>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach at intel.com>
Signed-off-by: Johannes Berg <johannes.berg at intel.com>
(back ported from commit a87783699b23395c46bbeeb5d28f6db24897bf26)

Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn-sta.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
index 3935994..bc30a5f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
@@ -604,7 +604,7 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
 					memcpy(&lq, priv->stations[i].lq,
 					       sizeof(struct iwl_link_quality_cmd));
 
-				if (!memcmp(&lq, &zero_lq, sizeof(lq)))
+				if (memcmp(&lq, &zero_lq, sizeof(lq)))
 					send_lq = true;
 			}
 			spin_unlock_irqrestore(&priv->shrd->sta_lock,
-- 
1.8.1.2