sync: syncObject may be None in SyncInitTrigger
And often is, especially when called from ProcSyncCreateAlarm. Crashing in this case seems unwise. Signed-off-by: Keith Packard <keithp@keithp.com>
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@ -296,7 +296,7 @@ SyncInitTrigger(ClientPtr client, SyncTrigger *pTrigger, XID syncObject,
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/* if system counter, ask it what the current value is */
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if (SYNC_COUNTER == pSync->type)
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if (pSync && SYNC_COUNTER == pSync->type)
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{
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pCounter = (SyncCounter *)pSync;
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@ -320,7 +320,7 @@ SyncInitTrigger(ClientPtr client, SyncTrigger *pTrigger, XID syncObject,
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if (changes & XSyncCATestType)
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{
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if (SYNC_FENCE == pSync->type)
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if (pSync && SYNC_FENCE == pSync->type)
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{
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pTrigger->CheckTrigger = SyncCheckTriggerFence;
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}
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