firewire: cdev: amendment to "add ioctl to query maximum transmission speed"
The as yet unreleased FW_CDEV_IOC_GET_SPEED ioctl puts only a single
integer into the parameter buffer. We can use ioctl()'s return value
instead.
(Also: Some whitespace change in firewire-cdev.h.)
Signed-off-by: Stefan Richter <[email protected]>
diff --git a/drivers/firewire/fw-cdev.c b/drivers/firewire/fw-cdev.c
index 539dae5..2784f91 100644
--- a/drivers/firewire/fw-cdev.c
+++ b/drivers/firewire/fw-cdev.c
@@ -1214,13 +1214,14 @@
return init_iso_resource(client, request, ISO_RES_DEALLOC_ONCE);
}
+/*
+ * Returns a speed code: Maximum speed to or from this device,
+ * limited by the device's link speed, the local node's link speed,
+ * and all PHY port speeds between the two links.
+ */
static int ioctl_get_speed(struct client *client, void *buffer)
{
- struct fw_cdev_get_speed *request = buffer;
-
- request->max_speed = client->device->max_speed;
-
- return 0;
+ return client->device->max_speed;
}
static int ioctl_send_broadcast_request(struct client *client, void *buffer)
