[PATCH 12/26] staging: comedi: ni_6527: iounmap resource when detached

H Hartley Sweeten hsweeten at visionengravers.com
Tue Jul 29 22:01:31 UTC 2014


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 at visionengravers.com>
Cc: Ian Abbott <abbotti at mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
 drivers/staging/comedi/drivers/ni_6527.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/staging/comedi/drivers/ni_6527.c b/drivers/staging/comedi/drivers/ni_6527.c
index 6f9ca7c..e84dac2 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);
 }
 
-- 
2.0.3



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