raw_gadget_timeout.patch

diff --git a/raw_gadget/raw_gadget.c b/raw_gadget/raw_gadget.c
index a3479a7..62e2638 100644
--- a/raw_gadget/raw_gadget.c
+++ b/raw_gadget/raw_gadget.c
@@ -24,6 +24,8 @@
 #include <linux/usb/ch11.h>
 #include <linux/usb/gadget.h>
 
+#include <linux/jiffies.h>
+
 #include "raw_gadget.h"
 
 #define	DRIVER_DESC "USB Raw Gadget"
@@ -1024,8 +1026,17 @@ static int raw_process_ep_io(struct raw_dev *dev, struct usb_raw_ep_io *io,
 		goto out_done;
 	}
 
-	ret = wait_for_completion_interruptible(&done);
-	if (ret) {
+	ret = wait_for_completion_interruptible_timeout(&done, usecs_to_jiffies(100000));
+	if (ret == 0) {
+		usb_ep_dequeue(ep->ep, ep->req);
+		//dev_dbg(&dev->gadget->dev, "wait timeout!\n");
+		wait_for_completion(&done);
+		spin_lock_irqsave(&dev->lock, flags);
+		ret = -ETIMEDOUT;
+		goto out_done;
+	} else if (ret < 0) {
+//		ret = wait_for_completion_interruptible(&done);
+//	if(ret) {
 		dev_dbg(&dev->gadget->dev, "wait interrupted\n");
 		usb_ep_dequeue(ep->ep, ep->req);
 		wait_for_completion(&done);
@@ -1201,6 +1212,10 @@ static long raw_ioctl(struct file *fd, unsigned int cmd, unsigned long value)
 
 	if (!dev)
 		return -EBUSY;
+	
+//	if((fd->f_flags & O_NONBLOCK) &&
+//	   spin_is_locked(&dev->lock))
+//		return -EBUSY;
 
 	switch (cmd) {
 	case USB_RAW_IOCTL_INIT: