Merge ../linux-2.6

[powerpc.git] / drivers / usb / core / urb.c

diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index c846fef..dad4d8f 100644 (file)
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -4,12 +4,6 @@
 #include <linux/bitops.h>
 #include <linux/slab.h>
 #include <linux/init.h>
-
-#ifdef CONFIG_USB_DEBUG
-       #define DEBUG
-#else
-       #undef DEBUG
-#endif
 #include <linux/usb.h>
 #include "hcd.h"
 
@@ -60,7 +54,7 @@ void usb_init_urb(struct urb *urb)
  *
  * The driver must call usb_free_urb() when it is finished with the urb.
  */
-struct urb *usb_alloc_urb(int iso_packets, unsigned mem_flags)
+struct urb *usb_alloc_urb(int iso_packets, gfp_t mem_flags)
 {
        struct urb *urb;
 
@@ -224,7 +218,7 @@ struct urb * usb_get_urb(struct urb *urb)
  *      GFP_NOIO, unless b) or c) apply
  *
  */
-int usb_submit_urb(struct urb *urb, unsigned mem_flags)
+int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
 {
        int                     pipe, temp, max;
        struct usb_device       *dev;
@@ -237,7 +231,8 @@ int usb_submit_urb(struct urb *urb, unsigned mem_flags)
            (dev->state < USB_STATE_DEFAULT) ||
            (!dev->bus) || (dev->devnum <= 0))
                return -ENODEV;
-       if (dev->state == USB_STATE_SUSPENDED)
+       if (dev->bus->controller->power.power_state.event != PM_EVENT_ON
+                       || dev->state == USB_STATE_SUSPENDED)
                return -EHOSTUNREACH;
        if (!(op = dev->bus->op) || !op->submit_urb)
                return -ENODEV;
@@ -473,6 +468,7 @@ int usb_unlink_urb(struct urb *urb)
  */
 void usb_kill_urb(struct urb *urb)
 {
+       might_sleep();
        if (!(urb && urb->dev && urb->dev->bus && urb->dev->bus->op))
                return;
        spin_lock_irq(&urb->lock);