[PATCH 2/2] input - leds: fix input_led_disconnect path

[Benjamin Tissoires]

Before unregistering the led classes, we have to be sure there is no
more events in the input pipeline.
Closing the input node before removing the led classes flushes the
pipeline and this prevents segfaults.

Found with https://github.com/whot/fuzzydevice
Link: https://bugzilla.kernel.org/show_bug.cgi?id=197679

Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
---
 drivers/input/input-leds.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/input-leds.c b/drivers/input/input-leds.c
index c86eb3d648bf..8aefcc186a02 100644
--- a/drivers/input/input-leds.c
+++ b/drivers/input/input-leds.c
@@ -211,6 +211,7 @@ static void input_leds_disconnect(struct input_handle *handle)
 	int i;
 
 	cancel_delayed_work_sync(&leds->init_work);
+	input_close_device(handle);
 
 	for (i = 0; i < leds->num_leds; i++) {
 		struct input_led *led = &leds->leds[i];
@@ -219,7 +220,6 @@ static void input_leds_disconnect(struct input_handle *handle)
 		kfree(led->cdev.name);
 	}
 
-	input_close_device(handle);
 	input_unregister_handle(handle);
 
 	kfree(leds);
-- 
2.14.3