Merge pull request #94 from harshavardhana/pr_out_prefix_if_empty_skip_it_before_isvalidbucket

pkg/storage/fs/fs.go

@@ -36,9 +36,11 @@ func start(ctrlChannel <-chan string, errorChannel chan<- error) {
 // Bucket Operations
 
 func (storage *storage) ListBuckets(prefix string) ([]mstorage.BucketMetadata, error) {
+	if prefix != "" {
 		if mstorage.IsValidBucket(prefix) == false {
 			return []mstorage.BucketMetadata{}, mstorage.BucketNameInvalid{Bucket: prefix}
 		}
+	}
 
 	files, err := ioutil.ReadDir(storage.root)
 	if err != nil {