From c80e7df5c3bb6137f46f1c52df6831d0eae80996 Mon Sep 17 00:00:00 2001
From: cunyinch <cunyin.chang@intel.com>
Date: Mon, 19 Jun 2017 11:48:36 +0800
Subject: [PATCH] test/nvme: optimization of hotplug script.

Change-Id: I167faf4daf04e50b7cb74a90cfeaa0f7a78a113a
Signed-off-by: cunyinch <cunyin.chang@intel.com>
Reviewed-on: https://review.gerrithub.io/366032
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ziye Yang <optimistyzy@gmail.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
---
 test/lib/nvme/hotplug.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/lib/nvme/hotplug.sh b/test/lib/nvme/hotplug.sh
index 827ed7561..6a4ac1e10 100755
--- a/test/lib/nvme/hotplug.sh
+++ b/test/lib/nvme/hotplug.sh
@@ -21,13 +21,13 @@ function monitor_cmd() {
 }
 
 function get_online_devices_count() {
-	ssh_vm "lspci | grep "NVM" | wc -l"
+	ssh_vm "lspci | grep -c NVM"
 }
 
 function wait_for_devices_ready() {
 	count=$(get_online_devices_count)
 
-	while [ "$count" -ne "4" ]; do
+	while [ $count -ne 4 ]; do
 		echo "waitting for all devices online"
 		count=$(get_online_devices_count)
 	done