LU-4329 tests: initialize $PREV_RESULT in wait_update()

Initialize variable PREV_RESULT in wait_update() to avoid useless
output like "Changed after 0s: from '' to '1'".

Signed-off-by: Emoly Liu <emoly.liu@intel.com>
Change-Id: I2aea8547892a36e92e8d0c54ac541397a102e76c
Reviewed-on: http://review.whamcloud.com/8449
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Bobi Jam <bobijam@gmail.com>
Reviewed-by: Jian Yu <jian.yu@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>

diff --git a/lustre/tests/test-framework.sh b/lustre/tests/test-framework.sh
index 675e311..5bcd5ba 100644 (file)
--- a/lustre/tests/test-framework.sh
+++ b/lustre/tests/test-framework.sh
@@ -1962,6 +1962,7 @@ wait_update () {
        local sleep=1
        local print=10
 
+       PREV_RESULT=$(do_node $node "$TEST")
        while [ true ]; do
                RESULT=$(do_node $node "$TEST")
                if [[ "$RESULT" == "$FINAL" ]]; then