diff options
Diffstat (limited to 'drivers/usb/usb-skeleton.c')
| -rw-r--r-- | drivers/usb/usb-skeleton.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/usb/usb-skeleton.c b/drivers/usb/usb-skeleton.c index c3ddd0f1f449..f101347e3ea3 100644 --- a/drivers/usb/usb-skeleton.c +++ b/drivers/usb/usb-skeleton.c @@ -159,10 +159,11 @@ static int skel_flush(struct file *file, fl_owner_t id) static void skel_read_bulk_callback(struct urb *urb) { struct usb_skel *dev; + unsigned long flags; dev = urb->context; - spin_lock(&dev->err_lock); + spin_lock_irqsave(&dev->err_lock, flags); /* sync/async unlink faults aren't errors */ if (urb->status) { if (!(urb->status == -ENOENT || @@ -177,7 +178,7 @@ static void skel_read_bulk_callback(struct urb *urb) dev->bulk_in_filled = urb->actual_length; } dev->ongoing_read = 0; - spin_unlock(&dev->err_lock); + spin_unlock_irqrestore(&dev->err_lock, flags); wake_up_interruptible(&dev->bulk_in_wait); } @@ -331,6 +332,7 @@ exit: static void skel_write_bulk_callback(struct urb *urb) { struct usb_skel *dev; + unsigned long flags; dev = urb->context; @@ -343,9 +345,9 @@ static void skel_write_bulk_callback(struct urb *urb) "%s - nonzero write bulk status received: %d\n", __func__, urb->status); - spin_lock(&dev->err_lock); + spin_lock_irqsave(&dev->err_lock, flags); dev->errors = urb->status; - spin_unlock(&dev->err_lock); + spin_unlock_irqrestore(&dev->err_lock, flags); } /* free up our allocated buffer */ |