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Don't crash if no hardware present...

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This commit is contained in:
Andrew Johnson
2001-04-06 15:22:17 +00:00
parent 932ee82378
commit 359cac2a7a
1 changed files with 5 additions and 2 deletions
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7
src/dev/apsDev/devApsEr.c
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@@ -602,8 +602,11 @@ STATIC long ErEpicsEventInit(struct eventRecord *pRec)
******************************************************************************/
STATIC long ErEpicsEventGetIoScan(int cmd, struct eventRecord *pRec, IOSCANPVT *pPvt)
{
*pPvt = *((IOSCANPVT*)(pRec->dpvt));
return(0);
if (pRec->dpvt) {
*pPvt = *((IOSCANPVT*)(pRec->dpvt));
return(0);
}
return TRUE; /* No hardware */
}
ErDsetStruct devErEpicsEvent={5, NULL, NULL, ErEpicsEventInit, ErEpicsEventGetIoScan, NULL};