Input: evdev - be less aggressive about sending SIGIO notifies

[mirror_ubuntu-artful-kernel.git] / drivers / input / evdev.c

diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 1148140d08a1faf72967dc3068e41c71488054d8..258c639571b5058bc9fece65f2de501cc0a25d75 100644 (file)
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -13,6 +13,7 @@
 #define EVDEV_BUFFER_SIZE      64
 
 #include <linux/poll.h>
+#include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/init.h>
@@ -58,7 +59,8 @@ static void evdev_pass_event(struct evdev_client *client,
        client->head &= EVDEV_BUFFER_SIZE - 1;
        spin_unlock(&client->buffer_lock);
 
-       kill_fasync(&client->fasync, SIGIO, POLL_IN);
+       if (event->type == EV_SYN)
+               kill_fasync(&client->fasync, SIGIO, POLL_IN);
 }
 
 /*