wl12xx: use _ni version of ieee80211_tx_status

wl1271_flush_deferred_work(), which calls ieee80211_rx() and
ieee80211_tx_status(), is called from a process context.
hence, use ieee80211_tx_status_ni() instead of ieee80211_tx_status().

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index 8e2f560..c9f59ce 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -870,7 +870,7 @@
 
 	/* Return sent skbs to the network stack */
 	while ((skb = skb_dequeue(&wl->deferred_tx_queue)))
-		ieee80211_tx_status(wl->hw, skb);
+		ieee80211_tx_status_ni(wl->hw, skb);
 }
 
 static void wl1271_netstack_work(struct work_struct *work)
diff --git a/drivers/net/wireless/wl12xx/ps.c b/drivers/net/wireless/wl12xx/ps.c
index d3e377d..5116db0 100644
--- a/drivers/net/wireless/wl12xx/ps.c
+++ b/drivers/net/wireless/wl12xx/ps.c
@@ -204,7 +204,7 @@
 			info = IEEE80211_SKB_CB(skb);
 			info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
 			info->status.rates[0].idx = -1;
-			ieee80211_tx_status(wl->hw, skb);
+			ieee80211_tx_status_ni(wl->hw, skb);
 			filtered++;
 		}
 	}
diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c
index 6603e60..b2635c7 100644
--- a/drivers/net/wireless/wl12xx/tx.c
+++ b/drivers/net/wireless/wl12xx/tx.c
@@ -782,7 +782,7 @@
 			info = IEEE80211_SKB_CB(skb);
 			info->status.rates[0].idx = -1;
 			info->status.rates[0].count = 0;
-			ieee80211_tx_status(wl->hw, skb);
+			ieee80211_tx_status_ni(wl->hw, skb);
 			total++;
 		}
 	}
@@ -820,7 +820,7 @@
 					info = IEEE80211_SKB_CB(skb);
 					info->status.rates[0].idx = -1;
 					info->status.rates[0].count = 0;
-					ieee80211_tx_status(wl->hw, skb);
+					ieee80211_tx_status_ni(wl->hw, skb);
 				}
 			}
 		}
@@ -863,7 +863,7 @@
 			info->status.rates[0].idx = -1;
 			info->status.rates[0].count = 0;
 
-			ieee80211_tx_status(wl->hw, skb);
+			ieee80211_tx_status_ni(wl->hw, skb);
 		}
 	}
 }