wl12xx: make WL1271_FLAG_STA_ASSOCIATED flag per-vif

This flag should be set per-vif, rather than globally.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
diff --git a/drivers/net/wireless/wl12xx/event.c b/drivers/net/wireless/wl12xx/event.c
index be9e112..cfb2835 100644
--- a/drivers/net/wireless/wl12xx/event.c
+++ b/drivers/net/wireless/wl12xx/event.c
@@ -52,7 +52,7 @@
 	if (!test_and_clear_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags))
 		goto out;
 
-	if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
+	if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
 		goto out;
 
 	/*