neofb: avoid overwriting fb_info fields

[safe/jmp/linux-2.6] / drivers / usb / host / u132-hcd.c

diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c
index c87660b..ac283b0 100644 (file)
--- a/drivers/usb/host/u132-hcd.c
+++ b/drivers/usb/host/u132-hcd.c
@@ -183,7 +183,7 @@ struct u132_ring {
 struct u132 {
         struct kref kref;
         struct list_head u132_list;
-        struct semaphore sw_lock;
+        struct mutex sw_lock;
         struct semaphore scheduler_lock;
         struct u132_platform_data *board;
         struct platform_device *platform_dev;
@@ -492,20 +492,20 @@ static void u132_hcd_monitor_work(struct work_struct *work)
                 return;
         } else {
                 int retval;
-                down(&u132->sw_lock);
+                mutex_lock(&u132->sw_lock);
                 retval = read_roothub_info(u132);
                 if (retval) {
                         struct usb_hcd *hcd = u132_to_hcd(u132);
                         u132_disable(u132);
                         u132->going = 1;
-                        up(&u132->sw_lock);
+                        mutex_unlock(&u132->sw_lock);
                         usb_hc_died(hcd);
                         ftdi_elan_gone_away(u132->platform_dev);
                         u132_monitor_put_kref(u132);
                         return;
                 } else {
                         u132_monitor_requeue_work(u132, 500);
-                        up(&u132->sw_lock);
+                        mutex_unlock(&u132->sw_lock);
                         return;
                 }
         }
@@ -518,8 +518,6 @@ static void u132_hcd_giveback_urb(struct u132 *u132, struct u132_endp *endp,
         unsigned long irqs;
         struct usb_hcd *hcd = u132_to_hcd(u132);
         urb->error_count = 0;
-        urb->status = status;
-        urb->hcpriv = NULL;
         spin_lock_irqsave(&endp->queue_lock.slock, irqs);
        usb_hcd_unlink_urb_from_ep(hcd, urb);
         endp->queue_next += 1;
@@ -543,7 +541,7 @@ static void u132_hcd_giveback_urb(struct u132 *u132, struct u132_endp *endp,
         u132_ring_queue_work(u132, ring, 0);
         up(&u132->scheduler_lock);
         u132_endp_put_kref(u132, endp);
-        usb_hcd_giveback_urb(hcd, urb);
+       usb_hcd_giveback_urb(hcd, urb, status);
         return;
 }
 
@@ -559,8 +557,6 @@ static void u132_hcd_abandon_urb(struct u132 *u132, struct u132_endp *endp,
         unsigned long irqs;
         struct usb_hcd *hcd = u132_to_hcd(u132);
         urb->error_count = 0;
-        urb->status = status;
-        urb->hcpriv = NULL;
         spin_lock_irqsave(&endp->queue_lock.slock, irqs);
        usb_hcd_unlink_urb_from_ep(hcd, urb);
         endp->queue_next += 1;
@@ -577,7 +573,7 @@ static void u132_hcd_abandon_urb(struct u132 *u132, struct u132_endp *endp,
                 endp->active = 0;
                 spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
                 kfree(urbq);
-        } usb_hcd_giveback_urb(hcd, urb);
+       } usb_hcd_giveback_urb(hcd, urb, status);
         return;
 }
 
@@ -647,12 +643,12 @@ static void u132_hcd_interrupt_recv(void *data, struct urb *urb, u8 *buf,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "device is being removed "
+                               "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+       } else if (!urb->unlinked) {
                 struct u132_ring *ring = endp->ring;
                 u8 *u = urb->transfer_buffer + urb->actual_length;
                 u8 *b = buf;
@@ -718,10 +714,10 @@ static void u132_hcd_interrupt_recv(void *data, struct urb *urb, u8 *buf,
                         return;
                 }
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                               "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+               u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -746,12 +742,12 @@ static void u132_hcd_bulk_output_sent(void *data, struct urb *urb, u8 *buf,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "device is being removed "
+                               "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+       } else if (!urb->unlinked) {
                 struct u132_ring *ring = endp->ring;
                 urb->actual_length += len;
                 endp->toggle_bits = toggle_bits;
@@ -770,10 +766,10 @@ static void u132_hcd_bulk_output_sent(void *data, struct urb *urb, u8 *buf,
                         return;
                 }
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                               "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+               u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -799,12 +795,12 @@ static void u132_hcd_bulk_input_recv(void *data, struct urb *urb, u8 *buf,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "device is being removed "
+                               "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+       } else if (!urb->unlinked) {
                 struct u132_ring *ring = endp->ring;
                 u8 *u = urb->transfer_buffer + urb->actual_length;
                 u8 *b = buf;
@@ -873,10 +869,10 @@ static void u132_hcd_bulk_input_recv(void *data, struct urb *urb, u8 *buf,
                         return;
                 }
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                               "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+               u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -900,20 +896,20 @@ static void u132_hcd_configure_empty_sent(void *data, struct urb *urb, u8 *buf,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "device is being removed "
+                               "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+       } else if (!urb->unlinked) {
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                               "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+               u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -938,12 +934,12 @@ static void u132_hcd_configure_input_recv(void *data, struct urb *urb, u8 *buf,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "device is being removed "
+                               "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+       } else if (!urb->unlinked) {
                 struct u132_ring *ring = endp->ring;
                 u8 *u = urb->transfer_buffer;
                 u8 *b = buf;
@@ -982,10 +978,10 @@ static void u132_hcd_configure_input_recv(void *data, struct urb *urb, u8 *buf,
                         return;
                 }
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                               "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+               u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -1009,20 +1005,20 @@ static void u132_hcd_configure_empty_recv(void *data, struct urb *urb, u8 *buf,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "device is being removed "
+                               "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+       } else if (!urb->unlinked) {
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                               "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+               u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -1047,12 +1043,12 @@ static void u132_hcd_configure_setup_sent(void *data, struct urb *urb, u8 *buf,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "device is being removed "
+                               "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+       } else if (!urb->unlinked) {
                 if (usb_pipein(urb->pipe)) {
                         int retval;
                         struct u132_ring *ring = endp->ring;
@@ -1079,10 +1075,10 @@ static void u132_hcd_configure_setup_sent(void *data, struct urb *urb, u8 *buf,
                         return;
                 }
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                               "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+               u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -1108,22 +1104,22 @@ static void u132_hcd_enumeration_empty_recv(void *data, struct urb *urb,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "device is being removed "
+                               "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+       } else if (!urb->unlinked) {
                 u132->addr[0].address = 0;
                 endp->usb_addr = udev->usb_addr;
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                               "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+               u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -1147,12 +1143,12 @@ static void u132_hcd_enumeration_address_sent(void *data, struct urb *urb,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "device is being removed "
+                               "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+       } else if (!urb->unlinked) {
                 int retval;
                 struct u132_ring *ring = endp->ring;
                 up(&u132->scheduler_lock);
@@ -1164,10 +1160,10 @@ static void u132_hcd_enumeration_address_sent(void *data, struct urb *urb,
                         u132_hcd_giveback_urb(u132, endp, urb, retval);
                 return;
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                               "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+               u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -1191,20 +1187,20 @@ static void u132_hcd_initial_empty_sent(void *data, struct urb *urb, u8 *buf,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "device is being removed "
+                               "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+       } else if (!urb->unlinked) {
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                               "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+               u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -1229,12 +1225,12 @@ static void u132_hcd_initial_input_recv(void *data, struct urb *urb, u8 *buf,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "device is being removed "
+                               "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+       } else if (!urb->unlinked) {
                 int retval;
                 struct u132_ring *ring = endp->ring;
                 u8 *u = urb->transfer_buffer;
@@ -1253,10 +1249,10 @@ static void u132_hcd_initial_input_recv(void *data, struct urb *urb, u8 *buf,
                         u132_hcd_giveback_urb(u132, endp, urb, retval);
                 return;
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                               "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+               u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -1281,12 +1277,12 @@ static void u132_hcd_initial_setup_sent(void *data, struct urb *urb, u8 *buf,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "device is being removed "
+                               "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+       } else if (!urb->unlinked) {
                 int retval;
                 struct u132_ring *ring = endp->ring;
                 up(&u132->scheduler_lock);
@@ -1298,10 +1294,10 @@ static void u132_hcd_initial_setup_sent(void *data, struct urb *urb, u8 *buf,
                         u132_hcd_giveback_urb(u132, endp, urb, retval);
                 return;
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                               "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+               u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -1806,10 +1802,10 @@ static void u132_hcd_stop(struct usb_hcd *hcd)
                 dev_err(&u132->platform_dev->dev, "device hcd=%p is being remov"
                         "ed\n", hcd);
         } else {
-                down(&u132->sw_lock);
+                mutex_lock(&u132->sw_lock);
                 msleep(100);
                 u132_power(u132, 0);
-                up(&u132->sw_lock);
+                mutex_unlock(&u132->sw_lock);
         }
 }
 
@@ -1831,7 +1827,7 @@ static int u132_hcd_start(struct usb_hcd *hcd)
                         (pdev->dev.platform_data))->vendor;
                 u16 device = ((struct u132_platform_data *)
                         (pdev->dev.platform_data))->device;
-                down(&u132->sw_lock);
+                mutex_lock(&u132->sw_lock);
                 msleep(10);
                 if (vendor == PCI_VENDOR_ID_AMD && device == 0x740c) {
                         u132->flags = OHCI_QUIRK_AMD756;
@@ -1846,7 +1842,7 @@ static int u132_hcd_start(struct usb_hcd *hcd)
                         u132->going = 1;
                 }
                 msleep(100);
-                up(&u132->sw_lock);
+                mutex_unlock(&u132->sw_lock);
                 return retval;
         } else {
                 dev_err(&u132->platform_dev->dev, "platform_device missing\n");
@@ -1866,13 +1862,13 @@ static int u132_hcd_reset(struct usb_hcd *hcd)
                 return -ESHUTDOWN;
         } else {
                 int retval;
-                down(&u132->sw_lock);
+                mutex_lock(&u132->sw_lock);
                 retval = u132_init(u132);
                 if (retval) {
                         u132_disable(u132);
                         u132->going = 1;
                 }
-                up(&u132->sw_lock);
+                mutex_unlock(&u132->sw_lock);
                 return retval;
         }
 }
@@ -2281,8 +2277,8 @@ static int u132_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
                         , u132->going);
                 return -ENODEV;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+               dev_err(&u132->platform_dev->dev, "device is being removed "
+                               "urb=%p\n", urb);
                 return -ESHUTDOWN;
         } else {
                 u8 usb_addr = usb_pipedevice(urb->pipe);
@@ -2430,8 +2426,7 @@ static int dequeue_from_overflow_chain(struct u132 *u132,
                         list_del(scan);
                         endp->queue_size -= 1;
                         urb->error_count = 0;
-                        urb->hcpriv = NULL;
-                        usb_hcd_giveback_urb(hcd, urb);
+                       usb_hcd_giveback_urb(hcd, urb, 0);
                         return 0;
                 } else
                         continue;
@@ -2472,11 +2467,10 @@ static int u132_endp_urb_dequeue(struct u132 *u132, struct u132_endp *endp,
                         endp->edset_flush = 1;
                         u132_endp_queue_work(u132, endp, 0);
                         spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
-                        urb->hcpriv = NULL;
                         return 0;
                 } else {
                         spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
-                        u132_hcd_abandon_urb(u132, endp, urb, urb->status);
+                       u132_hcd_abandon_urb(u132, endp, urb, status);
                         return 0;
                 }
         } else {
@@ -2517,8 +2511,7 @@ static int u132_endp_urb_dequeue(struct u132 *u132, struct u132_endp *endp,
                                         irqs);
                                 kfree(urbq);
                         } urb->error_count = 0;
-                        urb->hcpriv = NULL;
-                        usb_hcd_giveback_urb(hcd, urb);
+                       usb_hcd_giveback_urb(hcd, urb, status);
                         return 0;
                 } else if (list_empty(&endp->urb_more)) {
                         dev_err(&u132->platform_dev->dev, "urb=%p not found in "
@@ -2872,7 +2865,7 @@ static int u132_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
                 return -ESHUTDOWN;
         } else {
                 int retval = 0;
-                down(&u132->sw_lock);
+                mutex_lock(&u132->sw_lock);
                 switch (typeReq) {
                 case ClearHubFeature:
                         switch (wValue) {
@@ -2935,7 +2928,7 @@ static int u132_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
                       stall:retval = -EPIPE;
                         break;
                 }
-                up(&u132->sw_lock);
+                mutex_unlock(&u132->sw_lock);
                 return retval;
         }
 }
@@ -3071,7 +3064,7 @@ static int __devexit u132_remove(struct platform_device *pdev)
                         dev_err(&u132->platform_dev->dev, "removing device u132"
                                ".%d\n", u132->sequence_num);
                         msleep(100);
-                        down(&u132->sw_lock);
+                        mutex_lock(&u132->sw_lock);
                         u132_monitor_cancel_work(u132);
                         while (rings-- > 0) {
                                 struct u132_ring *ring = &u132->ring[rings];
@@ -3084,7 +3077,7 @@ static int __devexit u132_remove(struct platform_device *pdev)
                         u132->going += 1;
                         printk(KERN_INFO "removing device u132.%d\n",
                                 u132->sequence_num);
-                        up(&u132->sw_lock);
+                        mutex_unlock(&u132->sw_lock);
                         usb_remove_hcd(hcd);
                         u132_u132_put_kref(u132);
                         return 0;
@@ -3104,7 +3097,7 @@ static void u132_initialise(struct u132 *u132, struct platform_device *pdev)
         u132->platform_dev = pdev;
         u132->power = 0;
         u132->reset = 0;
-        init_MUTEX(&u132->sw_lock);
+        mutex_init(&u132->sw_lock);
         init_MUTEX(&u132->scheduler_lock);
         while (rings-- > 0) {
                 struct u132_ring *ring = &u132->ring[rings];
@@ -3114,7 +3107,7 @@ static void u132_initialise(struct u132 *u132, struct platform_device *pdev)
                 ring->curr_endp = NULL;
                 INIT_DELAYED_WORK(&ring->scheduler,
                                  u132_hcd_ring_work_scheduler);
-        } down(&u132->sw_lock);
+        } mutex_lock(&u132->sw_lock);
         INIT_DELAYED_WORK(&u132->monitor, u132_hcd_monitor_work);
         while (ports-- > 0) {
                 struct u132_port *port = &u132->port[ports];
@@ -3144,7 +3137,7 @@ static void u132_initialise(struct u132 *u132, struct platform_device *pdev)
         while (endps-- > 0) {
                 u132->endp[endps] = NULL;
         }
-        up(&u132->sw_lock);
+        mutex_unlock(&u132->sw_lock);
         return;
 }