From 366760376558cd07813abd558340a4762a2a91d8 Mon Sep 17 00:00:00 2001
From: paul luse <paul.e.luse@intel.com>
Date: Thu, 16 Apr 2020 09:16:24 -0400
Subject: [PATCH] examples/accel perf: fix small issue with params

Need to check that a valid workload type was specified and print
usage if not.

Signed-off-by: paul luse <paul.e.luse@intel.com>
Change-Id: Ib956e28f9049e49f19adcc09e861db42034799b8
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1900
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
---
 examples/accel/perf/accel_perf.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/examples/accel/perf/accel_perf.c b/examples/accel/perf/accel_perf.c
index 7eae23d28..4a4726ec4 100644
--- a/examples/accel/perf/accel_perf.c
+++ b/examples/accel/perf/accel_perf.c
@@ -386,8 +386,9 @@ main(int argc, char **argv)
 		goto cleanup;
 	}
 
-	if (strcmp(g_workload_type, "copy") &&
-	    strcmp(g_workload_type, "fill")) {
+	if (g_workload_type == NULL ||
+	    (strcmp(g_workload_type, "copy") &&
+	     strcmp(g_workload_type, "fill"))) {
 		usage();
 		rc = -1;
 		goto cleanup;