ChangeSet 1.1595.7.2, 2003/07/29 11:40:03-07:00, [EMAIL PROTECTED]
[PATCH] USB: core cleanups for struct usb_interface changes
Also set usb_device.dev.release right after initialization to catch any
early devices being destroyed. I still think there's a few error paths
to correct, but this catches a lot of previous errors.
drivers/usb/core/devices.c | 2 -
drivers/usb/core/devio.c | 10 +++---
drivers/usb/core/hub.c | 6 ++--
drivers/usb/core/message.c | 2 -
drivers/usb/core/usb.c | 65 ++++++++++++++++++++++-----------------------
5 files changed, 42 insertions(+), 43 deletions(-)
diff -Nru a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
--- a/drivers/usb/core/devices.c Fri Aug 1 10:56:57 2003
+++ b/drivers/usb/core/devices.c Fri Aug 1 10:56:57 2003
@@ -309,7 +309,7 @@
return start + sprintf(start, "(null Cfg. desc.)\n");
start = usb_dump_config_descriptor(start, end, &config->desc, active);
for (i = 0; i < config->desc.bNumInterfaces; i++) {
- interface = config->interface + i;
+ interface = config->interface[i];
if (!interface)
break;
for (j = 0; j < interface->num_altsetting; j++) {
diff -Nru a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
--- a/drivers/usb/core/devio.c Fri Aug 1 10:56:57 2003
+++ b/drivers/usb/core/devio.c Fri Aug 1 10:56:57 2003
@@ -360,7 +360,7 @@
/* already claimed */
if (test_bit(intf, &ps->ifclaimed))
return 0;
- iface = &dev->actconfig->interface[intf];
+ iface = dev->actconfig->interface[intf];
err = -EBUSY;
lock_kernel();
if (!usb_interface_claimed(iface)) {
@@ -384,7 +384,7 @@
dev = ps->dev;
down(&dev->serialize);
if (dev && test_and_clear_bit(intf, &ps->ifclaimed)) {
- iface = &dev->actconfig->interface[intf];
+ iface = dev->actconfig->interface[intf];
usb_driver_release_interface(&usbdevfs_driver, iface);
err = 0;
}
@@ -414,7 +414,7 @@
if (ep & ~(USB_DIR_IN|0xf))
return -EINVAL;
for (i = 0; i < dev->actconfig->desc.bNumInterfaces; i++) {
- iface = &dev->actconfig->interface[i];
+ iface = dev->actconfig->interface[i];
for (j = 0; j < iface->num_altsetting; j++) {
alts = &iface->altsetting[j];
for (e = 0; e < alts->desc.bNumEndpoints; e++) {
@@ -436,7 +436,7 @@
if (ifn & ~0xff)
return -EINVAL;
for (i = 0; i < dev->actconfig->desc.bNumInterfaces; i++) {
- iface = &dev->actconfig->interface[i];
+ iface = dev->actconfig->interface[i];
for (j = 0; j < iface->num_altsetting; j++) {
alts = &iface->altsetting[j];
if (alts->desc.bInterfaceNumber == ifn)
@@ -718,7 +718,7 @@
return ret;
for (i = 0; i < ps->dev->actconfig->desc.bNumInterfaces; i++) {
- struct usb_interface *intf = &ps->dev->actconfig->interface[i];
+ struct usb_interface *intf = ps->dev->actconfig->interface[i];
/* Don't simulate interfaces we've claimed */
if (test_bit(i, &ps->ifclaimed))
diff -Nru a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
--- a/drivers/usb/core/hub.c Fri Aug 1 10:56:57 2003
+++ b/drivers/usb/core/hub.c Fri Aug 1 10:56:57 2003
@@ -60,7 +60,7 @@
/* for dev_info, dev_dbg, etc */
static inline struct device *hubdev (struct usb_device *dev)
{
- return &dev->actconfig->interface [0].dev;
+ return &dev->actconfig->interface[0]->dev;
}
/* USB 2.0 spec Section 11.24.4.5 */
@@ -691,7 +691,7 @@
static int hub_port_status(struct usb_device *dev, int port,
u16 *status, u16 *change)
{
- struct usb_hub *hub = usb_get_intfdata (dev->actconfig->interface);
+ struct usb_hub *hub = usb_get_intfdata(dev->actconfig->interface[0]);
int ret;
ret = get_port_status(dev, port + 1, &hub->status->port);
@@ -1340,7 +1340,7 @@
}
for (i = 0; i < dev->actconfig->desc.bNumInterfaces; i++) {
- struct usb_interface *intf = &dev->actconfig->interface[i];
+ struct usb_interface *intf = dev->actconfig->interface[i];
struct usb_interface_descriptor *as;
as = &intf->altsetting[intf->act_altsetting].desc;
diff -Nru a/drivers/usb/core/message.c b/drivers/usb/core/message.c
--- a/drivers/usb/core/message.c Fri Aug 1 10:56:57 2003
+++ b/drivers/usb/core/message.c Fri Aug 1 10:56:57 2003
@@ -675,7 +675,7 @@
/* NOTE: affects all endpoints _except_ ep0 */
for (i=0; i<dev->actconfig->desc.bNumInterfaces; i++) {
- struct usb_interface *ifp = dev->actconfig->interface + i;
+ struct usb_interface *ifp = dev->actconfig->interface[i];
struct usb_host_interface *as = ifp->altsetting + ifp->act_altsetting;
struct usb_host_endpoint *ep = as->endpoint;
int e;
diff -Nru a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
--- a/drivers/usb/core/usb.c Fri Aug 1 10:56:57 2003
+++ b/drivers/usb/core/usb.c Fri Aug 1 10:56:57 2003
@@ -229,9 +229,9 @@
int i;
for (i = 0; i < dev->actconfig->desc.bNumInterfaces; i++)
- if (dev->actconfig->interface[i].altsetting[0]
+ if (dev->actconfig->interface[i]->altsetting[0]
.desc.bInterfaceNumber == ifnum)
- return &dev->actconfig->interface[i];
+ return dev->actconfig->interface[i];
return NULL;
}
@@ -256,14 +256,14 @@
int i, j, k;
for (i = 0; i < dev->actconfig->desc.bNumInterfaces; i++)
- for (j = 0; j < dev->actconfig->interface[i].num_altsetting; j++)
- for (k = 0; k < dev->actconfig->interface[i]
- .altsetting[j].desc.bNumEndpoints; k++)
- if (epnum == dev->actconfig->interface[i]
- .altsetting[j].endpoint[k]
+ for (j = 0; j < dev->actconfig->interface[i]->num_altsetting; j++)
+ for (k = 0; k < dev->actconfig->interface[i]->
+ altsetting[j].desc.bNumEndpoints; k++)
+ if (epnum == dev->actconfig->interface[i]->
+ altsetting[j].endpoint[k]
.desc.bEndpointAddress)
- return &dev->actconfig->interface[i]
- .altsetting[j].endpoint[k]
+ return &dev->actconfig->interface[i]->
+ altsetting[j].endpoint[k]
.desc;
return NULL;
@@ -654,6 +654,26 @@
#endif /* CONFIG_HOTPLUG */
/**
+ * usb_release_dev - free a usb device structure when all users of it are finished.
+ * @dev: device that's been disconnected
+ *
+ * Will be called only by the device core when all users of this usb device are
+ * done.
+ */
+static void usb_release_dev(struct device *dev)
+{
+ struct usb_device *udev;
+
+ udev = to_usb_device(dev);
+
+ if (udev->bus && udev->bus->op && udev->bus->op->deallocate)
+ udev->bus->op->deallocate(udev);
+ usb_destroy_configuration(udev);
+ usb_bus_put(udev->bus);
+ kfree (udev);
+}
+
+/**
* usb_alloc_dev - allocate a usb device structure (usbcore-internal)
* @parent: hub to which device is connected
* @bus: bus used to access the device
@@ -681,6 +701,7 @@
}
device_initialize(&dev->dev);
+ dev->dev.release = usb_release_dev;
dev->state = USB_STATE_ATTACHED;
if (!parent)
@@ -736,27 +757,6 @@
put_device(&dev->dev);
}
-/**
- * usb_release_dev - free a usb device structure when all users of it are finished.
- * @dev: device that's been disconnected
- *
- * Will be called only by the device core when all users of this usb device are
- * done.
- */
-static void usb_release_dev(struct device *dev)
-{
- struct usb_device *udev;
-
- udev = to_usb_device(dev);
-
- if (udev->bus && udev->bus->op && udev->bus->op->deallocate)
- udev->bus->op->deallocate(udev);
- usb_destroy_configuration (udev);
- usb_bus_put (udev->bus);
- kfree (udev);
-}
-
-
static struct usb_device *match_device(struct usb_device *dev,
u16 vendor_id, u16 product_id)
{
@@ -926,7 +926,7 @@
struct usb_interface *interface;
/* remove this interface */
- interface = &dev->actconfig->interface[i];
+ interface = dev->actconfig->interface[i];
device_unregister(&interface->dev);
}
}
@@ -1090,7 +1090,6 @@
dev->dev.parent = parent;
dev->dev.driver = &usb_generic_driver;
dev->dev.bus = &usb_bus_type;
- dev->dev.release = usb_release_dev;
dev->dev.driver_data = &usb_generic_driver_data;
usb_get_dev(dev);
if (dev->dev.bus_id[0] == 0)
@@ -1216,7 +1215,7 @@
/* Register all of the interfaces for this device with the driver core.
* Remember, interfaces get bound to drivers, not devices. */
for (i = 0; i < dev->actconfig->desc.bNumInterfaces; i++) {
- struct usb_interface *interface = &dev->actconfig->interface[i];
+ struct usb_interface *interface = dev->actconfig->interface[i];
struct usb_interface_descriptor *desc;
desc = &interface->altsetting [interface->act_altsetting].desc;
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