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path: root/drivers/usb/usb-skeleton.c
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Diffstat (limited to 'drivers/usb/usb-skeleton.c')
-rw-r--r--drivers/usb/usb-skeleton.c10
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 */