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Don't return the next element if the queue is full

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2013-06-26 17:26:50 +10:00
parent 89fabb4e57
commit 7889b467f7
1 changed files with 3 additions and 0 deletions
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3
libevdev/libevdev-int.h
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@ -214,6 +214,9 @@ queue_num_free_elements(struct libevdev *dev)
static inline struct input_event * static inline struct input_event *
queue_next_element(struct libevdev *dev) queue_next_element(struct libevdev *dev)
{ {
if (dev->queue_next == dev->queue_size)
return NULL;
return &dev->queue[dev->queue_next]; return &dev->queue[dev->queue_next];
} }