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Subject[07/83] iwlwifi: dvm: fix zero LQ CMD sending avoidance
3.2.47-rc1 review patch.  If anyone has any objections, please let me know.

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

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

commit a87783699b23395c46bbeeb5d28f6db24897bf26 upstream.

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

Reported-by: Hinnerk van Bruinehsen <h.v.bruinehsen@fu-berlin.de>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
[bwh: Backported to 3.2: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
drivers/net/wireless/iwlwifi/iwl-agn-sta.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- 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_pri
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,


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