On Thu, Nov 05, 2015 at 03:37:25PM -0800, Andrew Duggan wrote:
> From: Benjamin Tissoires <benjamin.tissoi...@redhat.com>
> 
> If the device has been registered but is not populated, we should not
> process any incoming interrupt.
> Make sure the pointers we are following are valid.

Why are the interrupts enabled when device is not ready?

> 
> Signed-off-by: Benjamin Tissoires <benjamin.tissoi...@redhat.com>
> Tested-by: Andrew Duggan <adug...@synaptics.com>
> ---
>  drivers/input/rmi4/rmi_driver.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c
> index 2fdc7e8..fe5f2f9 100644
> --- a/drivers/input/rmi4/rmi_driver.c
> +++ b/drivers/input/rmi4/rmi_driver.c
> @@ -279,6 +279,9 @@ int rmi_process_interrupt_requests(struct rmi_device 
> *rmi_dev)
>       struct rmi_function *entry;
>       int error;
>  
> +     if (!data || !data->f01_container || !data->irq_status)
> +             return 0;
> +
>       error = rmi_read_block(rmi_dev,
>                               data->f01_container->fd.data_base_addr + 1,
>                               data->irq_status, data->num_of_irq_regs);
> -- 
> 2.1.4
> 

-- 
Dmitry
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