qa/workunits/rbd: improve regex for parsing ps output

On some platforms the pid may be indented with spaces.

Signed-off-by: Mykola Golub <mgolub@suse.com>

diff --git a/qa/workunits/rbd/rbd-nbd.sh b/qa/workunits/rbd/rbd-nbd.sh
index fd79ba5fe4dec19b0c163362828f89ea9cac8d7d..37718e3b557c2c14db5d1443dc786eef183db55a 100755 (executable)
--- a/qa/workunits/rbd/rbd-nbd.sh
+++ b/qa/workunits/rbd/rbd-nbd.sh
@@ -108,7 +108,7 @@ unmap_device()
 
     _sudo rbd-nbd unmap ${dev}
     rbd-nbd list-mapped | expect_false grep "^${pid}\\b" || return 1
-    ps -C rbd-nbd | expect_false grep "^${pid}\\b" || return 1
+    ps -C rbd-nbd | expect_false grep "^ *${pid}\\b" || return 1
 
     # workaround possible race between unmap and following map
     sleep 0.5