mgr/dashboard: Check if `num_sessions` is available

Fixes: https://tracker.ceph.com/issues/41727
Signed-off-by: Ricardo Marques <rimarques@suse.com>
(cherry picked from commit ed149c2df544e7195671776e905d653babd2346f)

diff --git a/src/pybind/mgr/dashboard/frontend/src/app/ceph/block/iscsi-target-list/iscsi-target-list.component.ts b/src/pybind/mgr/dashboard/frontend/src/app/ceph/block/iscsi-target-list/iscsi-target-list.component.ts
index 03d985f01aa3011ef26a2e83389e52a812281dd2..cd6daf8ae2c6df25c79cfa3f13075ff59dddfa95 100644 (file)
--- a/src/pybind/mgr/dashboard/frontend/src/app/ceph/block/iscsi-target-list/iscsi-target-list.component.ts
+++ b/src/pybind/mgr/dashboard/frontend/src/app/ceph/block/iscsi-target-list/iscsi-target-list.component.ts
@@ -151,7 +151,8 @@ export class IscsiTargetListComponent implements OnInit, OnDestroy {
   }
 
   getDeleteDisableDesc(): string | undefined {
-    if (this.selection.first() && this.selection.first()['info']['num_sessions']) {
+    const first = this.selection.first();
+    if (first && first['info'] && first['info']['num_sessions']) {
       return this.i18n('Target has active sessions');
     }
   }