1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
index 254a003af048..f2850171a69b 100644
--- a/drivers/hid/usbhid/hiddev.c
+++ b/drivers/hid/usbhid/hiddev.c
@@ -587,7 +587,7 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
         struct hiddev_list *list = file->private_data;
         struct hiddev *hiddev = list->hiddev;
         struct hid_device *hid = hiddev->hid;
-        struct usb_device *dev = hid_to_usb_dev(hid);
+        struct usb_device *dev;
         struct hiddev_collection_info cinfo;
         struct hiddev_report_info rinfo;
         struct hiddev_field_info finfo;
@@ -601,9 +601,11 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
         /* Called without BKL by compat methods so no BKL taken */
 
         /* FIXME: Who or what stop this racing with a disconnect ?? */
-        if (!hiddev->exist)
+        if (!hiddev->exist || !hid)
                 return -EIO;
 
+        dev = hid_to_usb_dev(hid);
+
         switch (cmd) {
 
         case HIDIOCGVERSION: