qa/workunits/rbd: fix list-mapped filter in unmap_device

In recent versions `rbd list-mapped` does not print the white space
at the end of the line.

Fixes: https://tracker.ceph.com/issues/45305
Signed-off-by: Mykola Golub <mgolub@suse.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/qa/workunits/rbd/rbd-nbd.sh b/qa/workunits/rbd/rbd-nbd.sh
index f4fe2481186..5475116cdb3 100755
--- a/qa/workunits/rbd/rbd-nbd.sh
+++ b/qa/workunits/rbd/rbd-nbd.sh
@@ -106,7 +106,7 @@ unmap_device()
 
     for s in 0.5 1 2 4 8 16 32; do
 	sleep ${s}
-        rbd-nbd list-mapped | expect_false grep "${list_dev} $" && return 0
+        rbd-nbd list-mapped | expect_false grep "${list_dev} *$" && return 0
     done
     return 1
 }