tests: (lsfd) use ${PIPESTATUS[]} instead of $?

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

diff --git a/tests/ts/lsfd/mkfds-socketpair b/tests/ts/lsfd/mkfds-socketpair
index 4653f091238dfd073534dd6ab34422b559a835a4..3ffd0888e8839a0f143819eeec78d511de16a8ea 100755 (executable)
--- a/tests/ts/lsfd/mkfds-socketpair
+++ b/tests/ts/lsfd/mkfds-socketpair
@@ -38,7 +38,7 @@ EXPR=
     if read -u ${MKFDS[0]} PID; then
        EXPR='(PID == '"${PID}"') and ((FD == '"$FD0"') or (FD == '"$FD1"'))'
        ${TS_CMD_LSFD} -n -o ASSOC,MODE,STTYPE,SOURCE,SOCK.PROTONAME -Q "${EXPR}" | sed -e 's/UNIX-DGRAM/UNIX/'
-       echo 'ASSOC,MODE,STTYPE,SOURCE,SOCK.PROTONAME': $?
+       echo 'ASSOC,MODE,STTYPE,SOURCE,SOCK.PROTONAME': ${PIPESTATUS[0]}
 
        kill -CONT ${PID}
     fi