- 2.6.17 port work build breaks, but the patch set is relativly stable

[linux-flexiantxendom0-3.2.10.git] / drivers / usb / gadget / inode.c

diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index 0aab7d2..0eb010a 100644 (file)
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -170,10 +170,9 @@ static struct dev_data *dev_new (void)
 {
        struct dev_data         *dev;
 
-       dev = kmalloc (sizeof *dev, GFP_KERNEL);
+       dev = kzalloc(sizeof(*dev), GFP_KERNEL);
        if (!dev)
                return NULL;
-       memset (dev, 0, sizeof *dev);
        dev->state = STATE_DEV_DISABLED;
        atomic_set (&dev->count, 1);
        spin_lock_init (&dev->lock);
@@ -811,7 +810,7 @@ ep_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
                if (value == 0)
                        data->state = STATE_EP_ENABLED;
                break;
-#ifdef HIGHSPEED
+#ifdef CONFIG_USB_GADGET_DUALSPEED
        case USB_SPEED_HIGH:
                /* fails if caller didn't provide that descriptor... */
                value = usb_ep_enable (ep, &data->hs_desc);
@@ -983,7 +982,7 @@ ep0_read (struct file *fd, char __user *buf, size_t len, loff_t *ptr)
                        /* assume that was SET_CONFIGURATION */
                        if (dev->current_config) {
                                unsigned power;
-#ifdef HIGHSPEED
+#ifdef CONFIG_USB_GADGET_DUALSPEED
                                if (dev->gadget->speed == USB_SPEED_HIGH)
                                        power = dev->hs_config->bMaxPower;
                                else
@@ -1263,7 +1262,7 @@ static struct file_operations ep0_io_operations = {
  * Unrecognized ep0 requests may be handled in user space.
  */
 
-#ifdef HIGHSPEED
+#ifdef CONFIG_USB_GADGET_DUALSPEED
 static void make_qualifier (struct dev_data *dev)
 {
        struct usb_qualifier_descriptor         qual;
@@ -1292,7 +1291,7 @@ static int
 config_buf (struct dev_data *dev, u8 type, unsigned index)
 {
        int             len;
-#ifdef HIGHSPEED
+#ifdef CONFIG_USB_GADGET_DUALSPEED
        int             hs;
 #endif
 
@@ -1300,7 +1299,7 @@ config_buf (struct dev_data *dev, u8 type, unsigned index)
        if (index > 0)
                return -EINVAL;
 
-#ifdef HIGHSPEED
+#ifdef CONFIG_USB_GADGET_DUALSPEED
        hs = (dev->gadget->speed == USB_SPEED_HIGH);
        if (type == USB_DT_OTHER_SPEED_CONFIG)
                hs = !hs;
@@ -1336,12 +1335,12 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
                dev->state = STATE_CONNECTED;
                dev->dev->bMaxPacketSize0 = gadget->ep0->maxpacket;
 
-#ifdef HIGHSPEED
+#ifdef CONFIG_USB_GADGET_DUALSPEED
                if (gadget->speed == USB_SPEED_HIGH && dev->hs_config == 0) {
                        ERROR (dev, "no high speed config??\n");
                        return -EINVAL;
                }
-#endif /* HIGHSPEED */
+#endif /* CONFIG_USB_GADGET_DUALSPEED */
 
                INFO (dev, "connected\n");
                event = next_event (dev, GADGETFS_CONNECT);
@@ -1353,11 +1352,11 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
                        /* ... down_trylock (&data->lock) ... */
                        if (data->state != STATE_EP_DEFER_ENABLE)
                                continue;
-#ifdef HIGHSPEED
+#ifdef CONFIG_USB_GADGET_DUALSPEED
                        if (gadget->speed == USB_SPEED_HIGH)
                                value = usb_ep_enable (ep, &data->hs_desc);
                        else
-#endif /* HIGHSPEED */
+#endif /* CONFIG_USB_GADGET_DUALSPEED */
                                value = usb_ep_enable (ep, &data->desc);
                        if (value) {
                                ERROR (dev, "deferred %s enable --> %d\n",
@@ -1392,7 +1391,7 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
                        value = min (w_length, (u16) sizeof *dev->dev);
                        req->buf = dev->dev;
                        break;
-#ifdef HIGHSPEED
+#ifdef CONFIG_USB_GADGET_DUALSPEED
                case USB_DT_DEVICE_QUALIFIER:
                        if (!dev->hs_config)
                                break;
@@ -1429,7 +1428,7 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
                        // user mode expected to disable endpoints
                } else {
                        u8      config, power;
-#ifdef HIGHSPEED
+#ifdef CONFIG_USB_GADGET_DUALSPEED
                        if (gadget->speed == USB_SPEED_HIGH) {
                                config = dev->hs_config->bConfigurationValue;
                                power = dev->hs_config->bMaxPower;
@@ -1582,7 +1581,7 @@ restart:
 
 static struct inode *
 gadgetfs_create_file (struct super_block *sb, char const *name,
-               void *data, struct file_operations *fops,
+               void *data, const struct file_operations *fops,
                struct dentry **dentry_p);
 
 static int activate_ep_files (struct dev_data *dev)
@@ -1592,10 +1591,9 @@ static int activate_ep_files (struct dev_data *dev)
        gadget_for_each_ep (ep, dev->gadget) {
                struct ep_data  *data;
 
-               data = kmalloc (sizeof *data, GFP_KERNEL);
+               data = kzalloc(sizeof(*data), GFP_KERNEL);
                if (!data)
                        goto enomem;
-               memset (data, 0, sizeof data);
                data->state = STATE_EP_DISABLED;
                init_MUTEX (&data->lock);
                init_waitqueue_head (&data->wait);
@@ -1616,6 +1614,7 @@ static int activate_ep_files (struct dev_data *dev)
                                data, &ep_config_operations,
                                &data->dentry);
                if (!data->inode) {
+                       usb_ep_free_request(ep, data->req);
                        kfree (data);
                        goto enomem;
                }
@@ -1730,7 +1729,7 @@ gadgetfs_suspend (struct usb_gadget *gadget)
 }
 
 static struct usb_gadget_driver gadgetfs_driver = {
-#ifdef HIGHSPEED
+#ifdef CONFIG_USB_GADGET_DUALSPEED
        .speed          = USB_SPEED_HIGH,
 #else
        .speed          = USB_SPEED_FULL,
@@ -1957,7 +1956,7 @@ module_param (default_perm, uint, 0644);
 
 static struct inode *
 gadgetfs_make_inode (struct super_block *sb,
-               void *data, struct file_operations *fops,
+               void *data, const struct file_operations *fops,
                int mode)
 {
        struct inode *inode = new_inode (sb);
@@ -1981,7 +1980,7 @@ gadgetfs_make_inode (struct super_block *sb,
  */
 static struct inode *
 gadgetfs_create_file (struct super_block *sb, char const *name,
-               void *data, struct file_operations *fops,
+               void *data, const struct file_operations *fops,
                struct dentry **dentry_p)
 {
        struct dentry   *dentry;