From 24590a1145f3d9e6a2842d51b426157da653be5d Mon Sep 17 00:00:00 2001
From: Chris Young <chris@unsatisfactorysoftware.co.uk>
Date: Sun, 9 Jun 2019 20:30:46 +0100
Subject: Check callback memory is allocated before trying to use it.

---
 frontends/amiga/schedule.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'frontends/amiga')

diff --git a/frontends/amiga/schedule.c b/frontends/amiga/schedule.c
index da674f8e8..307fff3e9 100644
--- a/frontends/amiga/schedule.c
+++ b/frontends/amiga/schedule.c
@@ -345,12 +345,13 @@ nserror ami_schedule(int t, void (*callback)(void *p), void *p)
 	nscb = AllocSysObjectTags(ASOT_IOREQUEST,
 							ASOIOR_Duplicate, tioreq,
 							TAG_DONE);
+	if(nscb == NULL) return NSERROR_NOMEM;
 #else
 	if(schedule_msgport == NULL) return NSERROR_NOMEM;
 	nscb = AllocVec(sizeof(struct nscallback), MEMF_PUBLIC | MEMF_CLEAR);
+	if(nscb == NULL) return NSERROR_NOMEM;
 	*nscb = *tioreq;
 #endif
-	if(!nscb) return NSERROR_NOMEM;
 
 	if (ami_schedule_add_timer_event(nscb, t) != NSERROR_OK)
 		return NSERROR_NOMEM;
-- 
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