[PATCH blktests 2/2] nvme/rc: fix shellcheck warning SC2086

[Yi Zhang <yi.zhang@redhat.com>]

tests/nvme/rc:1056:7: note: Double quote to prevent globbing and word splitting. [SC2086]
tests/nvme/rc:1057:7: note: Double quote to prevent globbing and word splitting. [SC2086]

Fixes: 369d310 ("nvme: Add passthru error logging tests to nvme/039")
Signed-off-by: Yi Zhang <yi.zhang@redhat.com>
---
 tests/nvme/rc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/nvme/rc b/tests/nvme/rc
index 203cf0c..1f5ff44 100644
--- a/tests/nvme/rc
+++ b/tests/nvme/rc
@@ -1053,8 +1053,8 @@ _nvme_passthru_logging_setup()
 
 _nvme_passthru_logging_cleanup()
 {
-	echo $ctrl_dev_passthru_logging > /sys/class/nvme/"$2"/passthru_err_log_enabled
-	echo $ns_dev_passthru_logging > /sys/class/nvme/"$2"/"$1"/passthru_err_log_enabled
+	echo "$ctrl_dev_passthru_logging" > /sys/class/nvme/"$2"/passthru_err_log_enabled
+	echo "$ns_dev_passthru_logging" > /sys/class/nvme/"$2"/"$1"/passthru_err_log_enabled
 }
 
 _nvme_err_inject_setup()
-- 
2.34.3