---

yaml
---
r: 141221
b: refs/heads/master
c: cfde745
h: refs/heads/master
i:
  141219: 50f9cfd
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 18c7f792be75c2430cbf16e22dca1ab6a9881a63
+refs/heads/master: cfde74517b32724a78896eda49198f147e12050d

trunk/drivers/staging/wlan-ng/p80211netdev.c

@@ -567,6 +567,8 @@ static int p80211knetdev_do_ioctl(netdevice_t *dev, struct ifreq *ifr, int cmd)
 
 	pr_debug("rx'd ioctl, cmd=%d, len=%d\n", cmd, req->len);
 
+	mutex_lock(&wlandev->ioctl_lock);
+
 #ifdef SIOCETHTOOL
 	if (cmd == SIOCETHTOOL) {
 		result =
@@ -607,6 +609,8 @@ static int p80211knetdev_do_ioctl(netdevice_t *dev, struct ifreq *ifr, int cmd)
 		result = -ENOMEM;
 	}
 bail:
+	mutex_unlock(&wlandev->ioctl_lock);
+
 	return result;		/* If allocate,copyfrom or copyto fails, return errno */
 }
 
@@ -758,6 +762,11 @@ int wlan_setup(wlandevice_t *wlandev)
 		dev->open = p80211knetdev_open;
 		dev->stop = p80211knetdev_stop;
 
+		mutex_init(&wlandev->ioctl_lock);
+		/* block ioctls until fully initialised. Don't forget to call
+		   allow_ioctls at some point!*/
+		mutex_lock(&wlandev->ioctl_lock);
+
 #if (WIRELESS_EXT < 21)
 		dev->get_wireless_stats = p80211wext_get_wireless_stats;
 #endif
@@ -1098,3 +1107,8 @@ static void p80211knetdev_tx_timeout(netdevice_t *netdev)
 		netif_wake_queue(wlandev->netdev);
 	}
 }
+
+void p80211_allow_ioctls(wlandevice_t *wlandev)
+{
+	mutex_unlock(&wlandev->ioctl_lock);
+}

trunk/drivers/staging/wlan-ng/p80211netdev.h

@@ -227,6 +227,8 @@ typedef struct wlandevice {
 	u8 spy_number;
 	char spy_address[IW_MAX_SPY][ETH_ALEN];
 	struct iw_quality spy_stat[IW_MAX_SPY];
+
+	struct mutex ioctl_lock;
 } wlandevice_t;
 
 /* WEP stuff */
@@ -242,5 +244,5 @@ int register_wlandev(wlandevice_t *wlandev);
 int unregister_wlandev(wlandevice_t *wlandev);
 void p80211netdev_rx(wlandevice_t *wlandev, struct sk_buff *skb);
 void p80211netdev_hwremoved(wlandevice_t *wlandev);
-
+void p80211_allow_ioctls(wlandevice_t *wlandev);
 #endif

trunk/drivers/staging/wlan-ng/prism2usb.c

@@ -170,6 +170,7 @@ static int prism2sta_probe_usb(struct usb_interface *interface,
 	wlandev = NULL;
 
 done:
+	p80211_allow_ioctls(wlandev);
 	usb_set_intfdata(interface, wlandev);
 	return result;
 }