We use event_id 0 to mean 'no such event'; if a driver sends us that event_id, make sure we don't accidentally match it.
Signed-off-by: Keith Packard <[email protected]> --- present/present.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/present/present.c b/present/present.c index 228d43a..bfafa92 100644 --- a/present/present.c +++ b/present/present.c @@ -374,6 +374,8 @@ present_event_notify(uint64_t event_id, uint64_t ust, uint64_t msc) present_vblank_ptr vblank, tmp; int s; + if (!event_id) + return; DebugPresent(("\te %lld ust %lld msc %lld\n", event_id, ust, msc)); xorg_list_for_each_entry_safe(vblank, tmp, &present_exec_queue, event_queue) { if (vblank->event_id == event_id) { @@ -398,6 +400,7 @@ present_event_notify(uint64_t event_id, uint64_t ust, uint64_t msc) DebugPresent(("\tun %lld\n", event_id)); screen_priv->unflip_event_id = 0; present_flip_idle(screen); + return; } } } -- 1.8.4.2 _______________________________________________ [email protected]: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: http://lists.x.org/mailman/listinfo/xorg-devel
