[PATCH 32/42] staging: comedi: ni_660x: disable interrupts when detaching driver
H Hartley Sweeten
hsweeten at visionengravers.com
Fri Mar 18 19:39:03 UTC 2016
Make sure the interrupts are disabled before freeing the irq.
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_660x.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/comedi/drivers/ni_660x.c b/drivers/staging/comedi/drivers/ni_660x.c
index 2440cb6..c71dae8 100644
--- a/drivers/staging/comedi/drivers/ni_660x.c
+++ b/drivers/staging/comedi/drivers/ni_660x.c
@@ -1064,8 +1064,10 @@ static void ni_660x_detach(struct comedi_device *dev)
{
struct ni_660x_private *devpriv = dev->private;
- if (dev->irq)
+ if (dev->irq) {
+ ni_660x_write(dev, 0, 0, NI660X_GLOBAL_INT_CFG);
free_irq(dev->irq, dev);
+ }
if (devpriv) {
ni_gpct_device_destroy(devpriv->counter_dev);
ni_660x_free_mite_rings(dev);
--
2.6.3
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