[PATCH] namespaces: utsname: use init_utsname when appropriate

[pandora-kernel.git] / drivers / usb / gadget / zero.c

diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c
index 2fc110d..0f809dd 100644 (file)
--- a/drivers/usb/gadget/zero.c
+++ b/drivers/usb/gadget/zero.c
@@ -62,7 +62,6 @@
 #define DEBUG 1
 // #define VERBOSE
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/delay.h>
@@ -165,8 +164,8 @@ static unsigned buflen = 4096;
 static unsigned qlen = 32;
 static unsigned pattern = 0;
 
-module_param (buflen, uint, S_IRUGO|S_IWUSR);
-module_param (qlen, uint, S_IRUGO|S_IWUSR);
+module_param (buflen, uint, S_IRUGO);
+module_param (qlen, uint, S_IRUGO);
 module_param (pattern, uint, S_IRUGO|S_IWUSR);
 
 /*
@@ -572,9 +571,10 @@ static void source_sink_complete (struct usb_ep *ep, struct usb_request *req)
        switch (status) {
 
        case 0:                         /* normal completion? */
-               if (ep == dev->out_ep)
+               if (ep == dev->out_ep) {
                        check_read_data (dev, ep, req);
-               else
+                       memset (req->buf, 0x55, req->length);
+               } else
                        reinit_write_data (dev, ep, req);
                break;
 
@@ -626,6 +626,8 @@ source_sink_start_ep (struct usb_ep *ep, gfp_t gfp_flags)
 
        if (strcmp (ep->name, EP_IN_NAME) == 0)
                reinit_write_data (ep->driver_data, ep, req);
+       else
+               memset (req->buf, 0x55, req->length);
 
        status = usb_ep_queue (ep, req, gfp_flags);
        if (status) {
@@ -1119,7 +1121,7 @@ zero_autoresume (unsigned long _dev)
 
 /*-------------------------------------------------------------------------*/
 
-static void
+static void /* __init_or_exit */
 zero_unbind (struct usb_gadget *gadget)
 {
        struct zero_dev         *dev = get_gadget_data (gadget);
@@ -1127,14 +1129,16 @@ zero_unbind (struct usb_gadget *gadget)
        DBG (dev, "unbind\n");
 
        /* we've already been disconnected ... no i/o is active */
-       if (dev->req)
+       if (dev->req) {
+               dev->req->length = USB_BUFSIZ;
                free_ep_req (gadget->ep0, dev->req);
+       }
        del_timer_sync (&dev->resume);
        kfree (dev);
        set_gadget_data (gadget, NULL);
 }
 
-static int
+static int __init
 zero_bind (struct usb_gadget *gadget)
 {
        struct zero_dev         *dev;
@@ -1186,10 +1190,9 @@ autoconf_fail:
 
 
        /* ok, we made sense of the hardware ... */
-       dev = kmalloc (sizeof *dev, SLAB_KERNEL);
+       dev = kzalloc(sizeof(*dev), SLAB_KERNEL);
        if (!dev)
                return -ENOMEM;
-       memset (dev, 0, sizeof *dev);
        spin_lock_init (&dev->lock);
        dev->gadget = gadget;
        set_gadget_data (gadget, dev);
@@ -1222,12 +1225,6 @@ autoconf_fail:
                loopback_config.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
        }
 
-       if (gadget->is_otg) {
-               otg_descriptor.bmAttributes |= USB_OTG_HNP,
-               source_sink_config.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
-               loopback_config.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
-       }
-
        usb_gadget_set_selfpowered (gadget);
 
        init_timer (&dev->resume);
@@ -1245,7 +1242,7 @@ autoconf_fail:
                EP_OUT_NAME, EP_IN_NAME);
 
        snprintf (manufacturer, sizeof manufacturer, "%s %s with %s",
-               system_utsname.sysname, system_utsname.release,
+               init_utsname()->sysname, init_utsname()->release,
                gadget->name);
 
        return 0;
@@ -1292,7 +1289,7 @@ static struct usb_gadget_driver zero_driver = {
 #endif
        .function       = (char *) longname,
        .bind           = zero_bind,
-       .unbind         = zero_unbind,
+       .unbind         = __exit_p(zero_unbind),
 
        .setup          = zero_setup,
        .disconnect     = zero_disconnect,