Use the helper function to allocate the subdevice private data. This
sets the s->private variable for us and allows the comedi core to
automatically kfree() the memory during the (*detach).
Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
Cc: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/staging/comedi/drivers/jr3_pci.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)
diff --git a/drivers/staging/comedi/drivers/jr3_pci.c
b/drivers/staging/comedi/drivers/jr3_pci.c
index bfb0a13..f1028b8 100644
--- a/drivers/staging/comedi/drivers/jr3_pci.c
+++ b/drivers/staging/comedi/drivers/jr3_pci.c
@@ -687,12 +687,10 @@ static int jr3_pci_auto_attach(struct comedi_device *dev,
s->n_chan = 8 * 7 + 2;
s->insn_read = jr3_pci_ai_insn_read;
- p = kzalloc(sizeof(*p), GFP_KERNEL);
+ p = comedi_alloc_spriv(s, sizeof(*p));
if (p) {
int j;
- s->private = p;
-
p->channel = &devpriv->iobase->channel[i].data;
dev_dbg(dev->class_dev, "p->channel %p %p (%tx)\n",
p->channel, devpriv->iobase,
@@ -780,16 +778,11 @@ static int jr3_pci_auto_attach(struct comedi_device *dev,
static void jr3_pci_detach(struct comedi_device *dev)
{
- int i;
struct jr3_pci_dev_private *devpriv = dev->private;
if (devpriv) {
del_timer_sync(&devpriv->timer);
- if (dev->subdevices) {
- for (i = 0; i < devpriv->n_channels; i++)
- kfree(dev->subdevices[i].private);
- }
if (devpriv->iobase)
iounmap(devpriv->iobase);
}
--
1.8.5.2
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