Billy Laws 95685b8207 Avoid iterator invalidation segfault when unregistering a syncpt waiter ...

erase invalidated `it` leading to a potential segfault if the GPU was very far behind, bail out early to avoid that since there can only be one occurence at most in the buffer anyway.

2022-04-14 14:14:52 +05:30

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Avoid iterator invalidation segfault when unregistering a syncpt waiter

2022-04-14 14:14:52 +05:30