From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Tue, 30 Jul 2013 00:47:44 +0000 (-0700)
Subject: staging: comedi: usbduxsigma: always clear the usb intfdata in (*detach)
X-Git-Tag: firefly_0821_release~176^2~5471^2~395
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1da439008e972ad3dfceca8a9ff4950db20f3528;p=firefly-linux-kernel-4.4.55.git

staging: comedi: usbduxsigma: always clear the usb intfdata in (*detach)

Make sure the usb intfdata is always cleared when the device is
detached.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/comedi/drivers/usbduxsigma.c b/drivers/staging/comedi/drivers/usbduxsigma.c
index 636209458a66..60815a3ec540 100644
--- a/drivers/staging/comedi/drivers/usbduxsigma.c
+++ b/drivers/staging/comedi/drivers/usbduxsigma.c
@@ -1703,11 +1703,11 @@ static void usbduxsigma_detach(struct comedi_device *dev)
 	struct usb_interface *intf = comedi_to_usb_interface(dev);
 	struct usbduxsigma_private *devpriv = dev->private;
 
+	usb_set_intfdata(intf, NULL);
+
 	if (!devpriv)
 		return;
 
-	usb_set_intfdata(intf, NULL);
-
 	down(&devpriv->sem);
 
 	/* force unlink all urbs */