selftests: ublk: make test_generic_06 silent on success

Convention dictates that tests should not log anything on success. Make
test_generic_06 follow this convention.

Signed-off-by: Uday Shankar <ushankar@purestorage.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250429-ublk_selftests-v2-2-e970b6d9e4f4@purestorage.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/tools/testing/selftests/ublk/test_generic_06.sh b/tools/testing/selftests/ublk/test_generic_06.sh
index b67230c..fd42062 100755 (executable)
--- a/tools/testing/selftests/ublk/test_generic_06.sh
+++ b/tools/testing/selftests/ublk/test_generic_06.sh
@@ -17,7 +17,7 @@ STARTTIME=${SECONDS}
 dd if=/dev/urandom of=/dev/ublkb${dev_id} oflag=direct bs=4k count=1 status=none > /dev/null 2>&1 &
 dd_pid=$!
 
-__ublk_kill_daemon ${dev_id} "DEAD"
+__ublk_kill_daemon ${dev_id} "DEAD" >/dev/null
 
 wait $dd_pid
 dd_exitcode=$?