[PATCH] drivers/usb/input: convert to dynamic input_dev allocation
Input: convert drivers/iusb/input to dynamic input_dev allocation
This is required for input_dev sysfs integration
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c
index 41f92b9..411a064 100644
--- a/drivers/usb/input/hid-core.c
+++ b/drivers/usb/input/hid-core.c
@@ -1619,8 +1619,8 @@
struct hid_descriptor *hdesc;
struct hid_device *hid;
unsigned quirks = 0, rsize = 0;
- char *buf, *rdesc;
- int n, insize = 0;
+ char *rdesc;
+ int n, len, insize = 0;
for (n = 0; hid_blacklist[n].idVendor; n++)
if ((hid_blacklist[n].idVendor == le16_to_cpu(dev->descriptor.idVendor)) &&
@@ -1630,10 +1630,11 @@
if (quirks & HID_QUIRK_IGNORE)
return NULL;
- if (usb_get_extra_descriptor(interface, HID_DT_HID, &hdesc) && ((!interface->desc.bNumEndpoints) ||
- usb_get_extra_descriptor(&interface->endpoint[0], HID_DT_HID, &hdesc))) {
- dbg("class descriptor not present\n");
- return NULL;
+ if (usb_get_extra_descriptor(interface, HID_DT_HID, &hdesc) &&
+ (!interface->desc.bNumEndpoints ||
+ usb_get_extra_descriptor(&interface->endpoint[0], HID_DT_HID, &hdesc))) {
+ dbg("class descriptor not present\n");
+ return NULL;
}
for (n = 0; n < hdesc->bNumDescriptors; n++)
@@ -1749,32 +1750,34 @@
hid->name[0] = 0;
- if (!(buf = kmalloc(64, GFP_KERNEL)))
- goto fail;
+ if (dev->manufacturer)
+ strlcpy(hid->name, dev->manufacturer, sizeof(hid->name));
- if (dev->manufacturer) {
- strcat(hid->name, dev->manufacturer);
- if (dev->product)
- snprintf(hid->name, 64, "%s %s", hid->name, dev->product);
- } else if (dev->product) {
- snprintf(hid->name, 128, "%s", dev->product);
- } else
- snprintf(hid->name, 128, "%04x:%04x",
- le16_to_cpu(dev->descriptor.idVendor),
- le16_to_cpu(dev->descriptor.idProduct));
+ if (dev->product) {
+ if (dev->manufacturer)
+ strlcat(hid->name, " ", sizeof(hid->name));
+ strlcat(hid->name, dev->product, sizeof(hid->name));
+ }
- usb_make_path(dev, buf, 64);
- snprintf(hid->phys, 64, "%s/input%d", buf,
- intf->altsetting[0].desc.bInterfaceNumber);
+ if (!strlen(hid->name))
+ snprintf(hid->name, sizeof(hid->name), "HID %04x:%04x",
+ le16_to_cpu(dev->descriptor.idVendor),
+ le16_to_cpu(dev->descriptor.idProduct));
+
+ usb_make_path(dev, hid->phys, sizeof(hid->phys));
+ strlcat(hid->phys, "/input", sizeof(hid->phys));
+ len = strlen(hid->phys);
+ if (len < sizeof(hid->phys) - 1)
+ snprintf(hid->phys + len, sizeof(hid->phys) - len,
+ "%d", intf->altsetting[0].desc.bInterfaceNumber);
if (usb_string(dev, dev->descriptor.iSerialNumber, hid->uniq, 64) <= 0)
hid->uniq[0] = 0;
- kfree(buf);
-
hid->urbctrl = usb_alloc_urb(0, GFP_KERNEL);
if (!hid->urbctrl)
goto fail;
+
usb_fill_control_urb(hid->urbctrl, dev, 0, (void *) hid->cr,
hid->ctrlbuf, 1, hid_ctrl, hid);
hid->urbctrl->setup_dma = hid->cr_dma;