diff options
Diffstat (limited to 'drivers/usb/core/hcd.c')
| -rw-r--r-- | drivers/usb/core/hcd.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 40c7a46ba7d3..3ba27118adc5 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2191,6 +2191,15 @@ struct usb_hcd *usb_create_hcd (const struct hc_driver *driver, dev_dbg (dev, "hcd alloc failed\n"); return NULL; } + hcd->bandwidth_mutex = kmalloc(sizeof(*hcd->bandwidth_mutex), + GFP_KERNEL); + if (!hcd->bandwidth_mutex) { + kfree(hcd); + dev_dbg(dev, "hcd bandwidth mutex alloc failed\n"); + return NULL; + } + mutex_init(hcd->bandwidth_mutex); + dev_set_drvdata(dev, hcd); kref_init(&hcd->kref); @@ -2205,7 +2214,6 @@ struct usb_hcd *usb_create_hcd (const struct hc_driver *driver, #ifdef CONFIG_USB_SUSPEND INIT_WORK(&hcd->wakeup_work, hcd_resume_work); #endif - mutex_init(&hcd->bandwidth_mutex); hcd->driver = driver; hcd->product_desc = (driver->product_desc) ? driver->product_desc : @@ -2218,6 +2226,7 @@ static void hcd_release (struct kref *kref) { struct usb_hcd *hcd = container_of (kref, struct usb_hcd, kref); + kfree(hcd->bandwidth_mutex); kfree(hcd); } |