X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fusb%2Fcore%2Fnotify.c;fp=drivers%2Fusb%2Fcore%2Fnotify.c;h=6b36897ca151998ab28f07c12f0e9baef9e372fe;hb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;hp=fe0ed54fa0ae1b982c8ea1e94d15dfdf8d568bb5;hpb=4e76c8a9fa413ccc09d3f7f664183dcce3555d57;p=linux-2.6.git

diff --git a/drivers/usb/core/notify.c b/drivers/usb/core/notify.c
index fe0ed54fa..6b36897ca 100644
--- a/drivers/usb/core/notify.c
+++ b/drivers/usb/core/notify.c
@@ -9,7 +9,6 @@
  */
 
 
-#include <linux/config.h>
 #include <linux/kernel.h>
 #include <linux/notifier.h>
 #include <linux/usb.h>
@@ -51,8 +50,11 @@ void usb_notify_add_device(struct usb_device *udev)
 
 void usb_notify_remove_device(struct usb_device *udev)
 {
+	/* Protect against simultaneous usbfs open */
+	mutex_lock(&usbfs_mutex);
 	blocking_notifier_call_chain(&usb_notifier_list,
 			USB_DEVICE_REMOVE, udev);
+	mutex_unlock(&usbfs_mutex);
 }
 
 void usb_notify_add_bus(struct usb_bus *ubus)