Check nil for pointer

plugin/pkg/scheduler/algorithm/predicates/predicates.go

@@ -169,6 +169,10 @@ func (c *MaxPDVolumeCountChecker) filterVolumes(volumes []api.Volume, namespace
 				return nil
 			}
 
+			if pvc == nil {
+				return fmt.Errorf("PersistentVolumeClaim not found: %q", pvcName)
+			}
+
 			pvName := pvc.Spec.VolumeName
 			if pvName == "" {
 				return fmt.Errorf("PersistentVolumeClaim is not bound: %q", pvcName)
@@ -186,6 +190,10 @@ func (c *MaxPDVolumeCountChecker) filterVolumes(volumes []api.Volume, namespace
 				return nil
 			}
 
+			if pv == nil {
+				return fmt.Errorf("PersistentVolume not found: %q", pvName)
+			}
+
 			if id, ok := c.filter.FilterPersistentVolume(pv); ok {
 				filteredVolumes[id] = true
 			}