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Don't return the next element if the queue is full
author
Peter Hutterer
<peter.hutterer@who-t.net>
Wed, 26 Jun 2013 07:26:50 +0000
(17:26 +1000)
committer
Peter Hutterer
<peter.hutterer@who-t.net>
Thu, 27 Jun 2013 00:41:54 +0000
(10:41 +1000)
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
libevdev/libevdev-int.h
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diff --git
a/libevdev/libevdev-int.h
b/libevdev/libevdev-int.h
index
911dc40
..
43cfe8a
100644
(file)
--- a/
libevdev/libevdev-int.h
+++ b/
libevdev/libevdev-int.h
@@
-214,6
+214,9
@@
queue_num_free_elements(struct libevdev *dev)
static inline struct input_event *
queue_next_element(struct libevdev *dev)
{
+ if (dev->queue_next == dev->queue_size)
+ return NULL;
+
return &dev->queue[dev->queue_next];
}