The labpc_free_dma_chan() function validates the private data. Remove the
unnecessary validation in labpc_datach().
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/ni_labpc.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c
index e7b25e8..a916047 100644
--- a/drivers/staging/comedi/drivers/ni_labpc.c
+++ b/drivers/staging/comedi/drivers/ni_labpc.c
@@ -104,11 +104,7 @@ static int labpc_attach(struct comedi_device *dev, struct comedi_devconfig *it)
static void labpc_detach(struct comedi_device *dev)
{
- struct labpc_private *devpriv = dev->private;
-
- if (devpriv)
- labpc_free_dma_chan(dev);
-
+ labpc_free_dma_chan(dev);
comedi_legacy_detach(dev);
}
--
2.0.3
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