From: Howard M. Harte <hharte@broadcom.com>
Date: Wed, 27 Jul 2011 19:16:11 +0000 (-0700)
Subject: net: wireless: bcmdhd: change logic for removing monitor interace for P2P.
X-Git-Tag: firefly_0821_release~7613^2~389
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3eb50e2dd03feebcd3a66eb7601f2af328b7bd9c;p=firefly-linux-kernel-4.4.55.git

net: wireless: bcmdhd: change logic for removing monitor interace for P2P.

Change-Id: Ie757ec25c86d0402d0463a9b7f2fff14b840f446
Signed-off-by: Howard M. Harte <hharte@broadcom.com>
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
---

diff --git a/drivers/net/wireless/bcmdhd/dhd_linux_mon.c b/drivers/net/wireless/bcmdhd/dhd_linux_mon.c
index 25eba63017fa..6c1ff4d8ad41 100644
--- a/drivers/net/wireless/bcmdhd/dhd_linux_mon.c
+++ b/drivers/net/wireless/bcmdhd/dhd_linux_mon.c
@@ -322,17 +322,17 @@ int dhd_del_monitor(struct net_device *ndev)
 		return -EINVAL;
 	mutex_lock(&g_monitor.lock);
 	for (i = 0; i < DHD_MAX_IFS; i++) {
-		if (g_monitor.mon_if[i].mon_ndev == ndev) {
+		if (g_monitor.mon_if[i].mon_ndev == ndev ||
+			g_monitor.mon_if[i].real_ndev == ndev) {
 			g_monitor.mon_if[i].real_ndev = NULL;
-			g_monitor.mon_if[i].mon_ndev = NULL;
 			if (rtnl_is_locked()) {
 				rtnl_unlock();
 				rollback_lock = true;
 			}
-			unregister_netdev(ndev);
-			free_netdev(ndev);
+			unregister_netdev(g_monitor.mon_if[i].mon_ndev);
+			free_netdev(g_monitor.mon_if[i].mon_ndev);
+			g_monitor.mon_if[i].mon_ndev = NULL;
 			g_monitor.monitor_state = MONITOR_STATE_INTERFACE_DELETED;
-			ndev = NULL;
 			break;
 		}
 	}
@@ -341,7 +341,8 @@ int dhd_del_monitor(struct net_device *ndev)
 		rollback_lock = false;
 	}
 
-	if (ndev)
+	if (g_monitor.monitor_state !=
+	MONITOR_STATE_INTERFACE_DELETED)
 		MON_PRINT("interface not found in monitor IF array, is this a monitor IF? 0x%p\n",
 			ndev);
 	mutex_unlock(&g_monitor.lock);
diff --git a/drivers/net/wireless/bcmdhd/wl_cfg80211.c b/drivers/net/wireless/bcmdhd/wl_cfg80211.c
index 98c9ff610086..cc5d86e8e7b6 100644
--- a/drivers/net/wireless/bcmdhd/wl_cfg80211.c
+++ b/drivers/net/wireless/bcmdhd/wl_cfg80211.c
@@ -1005,10 +1005,7 @@ wl_cfg80211_del_virtual_iface(struct wiphy *wiphy, struct net_device *dev)
 	struct wl_priv *wl = WL_PRIV_GET();
 	s32 timeout = -1;
 	s32 ret = 0;
-	if (dev && dev->type == ARPHRD_IEEE80211_RADIOTAP) {
-		ret = dhd_del_monitor(dev);
-		goto exit;
-	}
+
 	if (wl->p2p_supported) {
 		memcpy(p2p_mac.octet, wl->p2p->int_addr.octet, ETHER_ADDR_LEN);
 		if (wl->p2p->vif_created) {
@@ -1029,9 +1026,9 @@ wl_cfg80211_del_virtual_iface(struct wiphy *wiphy, struct net_device *dev)
 			} else {
 				WL_ERR(("IFDEL didn't complete properly"));
 			}
+			ret = dhd_del_monitor(dev);
 		}
 	}
-exit:
 	return ret;
 }