Complete() will be run with interrupt enabled, so change to
spin_lock_irqsave().
Cc: Jiri Kosina <jkos...@suse.cz>
Cc: linux-in...@vger.kernel.org
Signed-off-by: Ming Lei <ming....@canonical.com>
---
drivers/hid/usbhid/hid-core.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 9941828..e1d8518 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -489,8 +489,9 @@ static void hid_ctrl(struct urb *urb)
struct hid_device *hid = urb->context;
struct usbhid_device *usbhid = hid->driver_data;
int unplug = 0, status = urb->status;
+ unsigned long flags;
- spin_lock(&usbhid->lock);
+ spin_lock_irqsave(&usbhid->lock, flags);
switch (status) {
case 0: /* success */
@@ -525,7 +526,7 @@ static void hid_ctrl(struct urb *urb)
}
clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);
- spin_unlock(&usbhid->lock);
+ spin_unlock_irqrestore(&usbhid->lock, flags);
usb_autopm_put_interface_async(usbhid->intf);
wake_up(&usbhid->wait);
}
--
1.7.9.5
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