From: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx> 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. Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx> Tested-by: Andrew Duggan <aduggan@xxxxxxxxxxxxx> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
