1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c
index 9d6e1d295528..b893e3118e1b 100644
--- a/drivers/usb/gadget/serial.c
+++ b/drivers/usb/gadget/serial.c
@@ -17,7 +17,6 @@
  *
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/delay.h>
@@ -588,12 +587,11 @@ static int __init gs_module_init(void)
         gs_tty_driver->owner = THIS_MODULE;
         gs_tty_driver->driver_name = GS_SHORT_NAME;
         gs_tty_driver->name = "ttygs";
-        gs_tty_driver->devfs_name = "usb/ttygs/";
         gs_tty_driver->major = GS_MAJOR;
         gs_tty_driver->minor_start = GS_MINOR_START;
         gs_tty_driver->type = TTY_DRIVER_TYPE_SERIAL;
         gs_tty_driver->subtype = SERIAL_TYPE_NORMAL;
-        gs_tty_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS;
+        gs_tty_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
         gs_tty_driver->init_termios = tty_std_termios;
         gs_tty_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
         tty_set_operations(gs_tty_driver, &gs_tty_ops);
@@ -1122,12 +1120,15 @@ static int gs_send(struct gs_dev *dev)
 gs_debug_level(3, "gs_send: len=%d, 0x%2.2x 0x%2.2x 0x%2.2x ...\n", len, *((unsigned char *)req->buf), *((unsigned char *)req->buf+1), *((unsigned char *)req->buf+2));
                         list_del(&req_entry->re_entry);
                         req->length = len;
+                        spin_unlock_irqrestore(&dev->dev_lock, flags);
                         if ((ret=usb_ep_queue(ep, req, GFP_ATOMIC))) {
                                 printk(KERN_ERR
                                 "gs_send: cannot queue read request, ret=%d\n",
                                         ret);
+                                spin_lock_irqsave(&dev->dev_lock, flags);
                                 break;
                         }
+                        spin_lock_irqsave(&dev->dev_lock, flags);
                 } else {
                         break;
                 }
@@ -1475,7 +1476,7 @@ autoconf_fail:
  * Called on module unload.  Frees the control request and device
  * structure.
  */
-static void __exit gs_unbind(struct usb_gadget *gadget)
+static void /* __init_or_exit */ gs_unbind(struct usb_gadget *gadget)
 {
         struct gs_dev *dev = get_gadget_data(gadget);