Merge pull request #17505 from CloudCourierStation/master

fix fillStorage get storage cause scheduler panic

pkg/scheduler/cache/candidate/base.go

@@ -774,6 +774,10 @@ func (b *BaseHostDesc) fillStorages(host *computemodels.SHost) error {
 	ss := make([]*api.CandidateStorage, 0)
 	for _, s := range host.GetHoststorages() {
 		storage := s.GetStorage()
+		if storage == nil {
+			log.Warningf("%s invoke s.GetStorage return nil", storage.Id)
+			continue
+		}
 		cs := &api.CandidateStorage{
 			SStorage:           storage,
 			ActualFreeCapacity: storage.Capacity - storage.ActualCapacityUsed,