From d144cf42eee0eabdb2e76ea67a9b0437c5070751 Mon Sep 17 00:00:00 2001 From: Ming Lei Date: Mon, 2 May 2016 11:15:01 -0700 Subject: Input: cm109 - spin_lock in complete() cleanup Complete() will be run with interrupt enabled, so change to spin_lock_irqsave(). Signed-off-by: Ming Lei Signed-off-by: Dmitry Torokhov --- drivers/input/misc/cm109.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'drivers/input') diff --git a/drivers/input/misc/cm109.c b/drivers/input/misc/cm109.c index ee1bedd7c54c..9cc6d057c302 100644 --- a/drivers/input/misc/cm109.c +++ b/drivers/input/misc/cm109.c @@ -366,6 +366,7 @@ static void cm109_urb_irq_callback(struct urb *urb) struct cm109_dev *dev = urb->context; const int status = urb->status; int error; + unsigned long flags; dev_dbg(&dev->intf->dev, "### URB IRQ: [0x%02x 0x%02x 0x%02x 0x%02x] keybit=0x%02x\n", dev->irq_data->byte[0], @@ -404,7 +405,7 @@ static void cm109_urb_irq_callback(struct urb *urb) out: - spin_lock(&dev->ctl_submit_lock); + spin_lock_irqsave(&dev->ctl_submit_lock, flags); dev->irq_urb_pending = 0; @@ -428,7 +429,7 @@ static void cm109_urb_irq_callback(struct urb *urb) __func__, error); } - spin_unlock(&dev->ctl_submit_lock); + spin_unlock_irqrestore(&dev->ctl_submit_lock, flags); } static void cm109_urb_ctl_callback(struct urb *urb) @@ -436,6 +437,7 @@ static void cm109_urb_ctl_callback(struct urb *urb) struct cm109_dev *dev = urb->context; const int status = urb->status; int error; + unsigned long flags; dev_dbg(&dev->intf->dev, "### URB CTL: [0x%02x 0x%02x 0x%02x 0x%02x]\n", dev->ctl_data->byte[0], @@ -450,7 +452,7 @@ static void cm109_urb_ctl_callback(struct urb *urb) __func__, status); } - spin_lock(&dev->ctl_submit_lock); + spin_lock_irqsave(&dev->ctl_submit_lock, flags); dev->ctl_urb_pending = 0; @@ -471,7 +473,7 @@ static void cm109_urb_ctl_callback(struct urb *urb) } } - spin_unlock(&dev->ctl_submit_lock); + spin_unlock_irqrestore(&dev->ctl_submit_lock, flags); } static void cm109_toggle_buzzer_async(struct cm109_dev *dev) -- cgit v1.2.3