From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ming Lei Subject: [PATCH 21/50] hid: usbhid: spin_lock in complete() cleanup Date: Thu, 11 Jul 2013 17:05:44 +0800 Message-ID: <1373533573-12272-22-git-send-email-ming.lei@canonical.com> References: <1373533573-12272-1-git-send-email-ming.lei@canonical.com> Return-path: In-Reply-To: <1373533573-12272-1-git-send-email-ming.lei@canonical.com> Sender: netdev-owner@vger.kernel.org To: Greg Kroah-Hartman Cc: linux-usb@vger.kernel.org, Oliver Neukum , Alan Stern , linux-input@vger.kernel.org, linux-bluetooth@vger.kernel.org, netdev@vger.kernel.org, linux-wireless@vger.kernel.org, linux-media@vger.kernel.org, alsa-devel@alsa-project.org, Ming Lei , Jiri Kosina List-Id: linux-input@vger.kernel.org Complete() will be run with interrupt enabled, so change to spin_lock_irqsave(). Cc: Jiri Kosina Cc: linux-input@vger.kernel.org Signed-off-by: Ming Lei --- 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