1 files changed, 8 insertions, 7 deletions

diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index 6a4b93ad1082..0b9293493957 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -2166,7 +2166,7 @@ static void handle_ep_small (struct net2280_ep *ep)
                                         ep->stopped = 1;
                                         set_halt (ep);
                                         mode = 2;
-                                } else if (!req && ep->stopped)
+                                } else if (!req && !ep->stopped)
                                         write_fifo (ep, NULL);
                         }
                 } else {
@@ -2280,9 +2280,7 @@ static void handle_ep_small (struct net2280_ep *ep)
                 /* if we wrote it all, we're usually done */
                 if (req->req.actual == req->req.length) {
                         if (ep->num == 0) {
-                                /* wait for control status */
-                                if (mode != 2)
-                                        req = NULL;
+                                /* send zlps until the status stage */
                         } else if (!req->req.zero || len != ep->ep.maxpacket)
                                 mode = 2;
                 }
@@ -2744,6 +2742,10 @@ static irqreturn_t net2280_irq (int irq, void *_dev, struct pt_regs * r)
 {
         struct net2280          *dev = _dev;
 
+        /* shared interrupt, not ours */
+        if (!(readl(&dev->regs->irqstat0) & (1 << INTA_ASSERTED)))
+                return IRQ_NONE;
+
         spin_lock (&dev->lock);
 
         /* handle disconnect, dma, and more */
@@ -2831,13 +2833,13 @@ static int net2280_probe (struct pci_dev *pdev, const struct pci_device_id *id)
         }
 
         /* alloc, and start init */
-        dev = kmalloc (sizeof *dev, SLAB_KERNEL);
+        dev = kzalloc (sizeof *dev, SLAB_KERNEL);
         if (dev == NULL){
                 retval = -ENOMEM;
                 goto done;
         }
 
-        memset (dev, 0, sizeof *dev);
+        pci_set_drvdata (pdev, dev);
         spin_lock_init (&dev->lock);
         dev->pdev = pdev;
         dev->gadget.ops = &net2280_ops;
@@ -2950,7 +2952,6 @@ static int net2280_probe (struct pci_dev *pdev, const struct pci_device_id *id)
         dev->chiprev = get_idx_reg (dev->regs, REG_CHIPREV) & 0xffff;
 
         /* done */
-        pci_set_drvdata (pdev, dev);
         INFO (dev, "%s\n", driver_desc);
         INFO (dev, "irq %s, pci mem %p, chip rev %04x\n",
                         bufp, base, dev->chiprev);