From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Tue, 29 Jul 2014 22:01:31 +0000 (-0700)
Subject: staging: comedi: ni_6527: iounmap resource when detached
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=c6f71be317de7f97f569bd0928e8a1b9586970cf;p=openwrt%2Fstaging%2Fblogic.git

staging: comedi: ni_6527: iounmap resource when detached

PCI bar 1 is ioremap'ed during the (*auto_attach). This resource
needs to be iounmap'ed when the driver is (*detach)ed.

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/ni_6527.c b/drivers/staging/comedi/drivers/ni_6527.c
index 6f9ca7ca1245..e84dac2bf3b2 100644
--- a/drivers/staging/comedi/drivers/ni_6527.c
+++ b/drivers/staging/comedi/drivers/ni_6527.c
@@ -474,6 +474,8 @@ static void ni6527_detach(struct comedi_device *dev)
 		ni6527_reset(dev);
 	if (dev->irq)
 		free_irq(dev->irq, dev);
+	if (dev->mmio)
+		iounmap(dev->mmio);
 	comedi_pci_disable(dev);
 }