staging: comedi: ni_660x: use mite_alloc()
Allocate `struct mite_device` dynamically instead of searching for
one on the `mite_devices` list constructed by the "mite" module.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/comedi/drivers/ni_660x.c b/drivers/staging/comedi/drivers/ni_660x.c
index 3b125a6..d3c8e6a 100644
--- a/drivers/staging/comedi/drivers/ni_660x.c
+++ b/drivers/staging/comedi/drivers/ni_660x.c
@@ -1034,20 +1034,6 @@
}
}
-/* FIXME: remove this when dynamic MITE allocation implemented. */
-static struct mite_struct *ni_660x_find_mite(struct pci_dev *pcidev)
-{
- struct mite_struct *mite;
-
- for (mite = mite_devices; mite; mite = mite->next) {
- if (mite->used)
- continue;
- if (mite->pcidev == pcidev)
- return mite;
- }
- return NULL;
-}
-
static const struct ni_660x_board *
ni_660x_find_boardinfo(struct pci_dev *pcidev)
{
@@ -1076,9 +1062,9 @@
dev->board_ptr = ni_660x_find_boardinfo(pcidev);
if (!dev->board_ptr)
return -ENODEV;
- private(dev)->mite = ni_660x_find_mite(pcidev);
+ private(dev)->mite = mite_alloc(pcidev);
if (!private(dev)->mite)
- return -ENODEV;
+ return -ENOMEM;
dev->board_name = board(dev)->name;
@@ -1196,6 +1182,7 @@
if (private(dev)->mite) {
ni_660x_free_mite_rings(dev);
mite_unsetup(private(dev)->mite);
+ mite_free(private(dev)->mite);
}
}
}