From 32b35d99581dbf979ac65a208679d3c040c42f46 Mon Sep 17 00:00:00 2001
From: Liang Yan <liang.z.yan@intel.com>
Date: Fri, 27 Oct 2017 17:47:54 +0800
Subject: [PATCH] nvme/perf: check if aio files exist while no NVMe controller
 found

Change-Id: I9ced263535e8cd9c9503a208a77832140833c9d3
Signed-off-by: Liang Yan <liang.z.yan@intel.com>
Reviewed-on: https://review.gerrithub.io/383952
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
---
 examples/nvme/perf/perf.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/examples/nvme/perf/perf.c b/examples/nvme/perf/perf.c
index 40758b441..233d5d4b3 100644
--- a/examples/nvme/perf/perf.c
+++ b/examples/nvme/perf/perf.c
@@ -1387,8 +1387,8 @@ int main(int argc, char **argv)
 		goto cleanup;
 	}
 
-	if (g_controllers_found == 0) {
-		fprintf(stderr, "No NVMe controllers found.\n");
+	if (g_num_namespaces == 0) {
+		fprintf(stderr, "No NVMe controllers or AIO devices found.\n");
 		return 0;
 	}