[PATCH v1 23/49] hid: usbhid: prepare for enabling irq in complete()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Complete() will be run with interrupt enabled, so change to
spin_lock_irqsave().

Cc: Jiri Kosina <jkosina@xxxxxxx>
Cc: linux-input@xxxxxxxxxxxxxxx
Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxxxxx>
---
 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 bd38cdf..2445fd6 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

--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux