From 3d6ccb57be9d2276daa24130c9391bc5d3bb9284 Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Wed, 16 May 2018 16:24:06 +1000
Subject: [PATCH] tools: ptraccel-debug: fail for a sequence without events

Found by scan-build, running ptraccel-debug --mode=sequence --nevents=5
would use garbage custom_deltas.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
---
 tools/ptraccel-debug.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/ptraccel-debug.c b/tools/ptraccel-debug.c
index df583c35..a98b615d 100644
--- a/tools/ptraccel-debug.c
+++ b/tools/ptraccel-debug.c
@@ -399,6 +399,9 @@ main(int argc, char **argv)
 		memset(custom_deltas, 0, sizeof(custom_deltas));
 		while (optind < argc)
 			custom_deltas[nevents++] = strtod(argv[optind++], NULL);
+	} else if (mode == SEQUENCE) {
+		usage();
+		return 1;
 	}
 
 	switch (mode) {