1 files changed, 5 insertions, 12 deletions

diff --git a/java/org/gnu/emacs/EmacsService.java b/java/org/gnu/emacs/EmacsService.java
index 1e5f72eed37..2dcaad16e50 100644
--- a/java/org/gnu/emacs/EmacsService.java
+++ b/java/org/gnu/emacs/EmacsService.java
@@ -1401,22 +1401,12 @@ public final class EmacsService extends Service
      otherwise.  */
 
   public String[]
-  getDocumentTrees (byte provider[])
+  getDocumentTrees (String provider)
   {
-    String providerName;
     List<String> treeList;
     List<UriPermission> permissions;
     Uri uri;
 
-    try
-      {
-        providerName = new String (provider, "US-ASCII");
-      }
-    catch (UnsupportedEncodingException exception)
-      {
-        return null;
-      }
-
     permissions = resolver.getPersistedUriPermissions ();
     treeList = new ArrayList<String> ();
 
@@ -1425,7 +1415,7 @@ public final class EmacsService extends Service
         uri = permission.getUri ();
 
         if (DocumentsContract.isTreeUri (uri)
-            && uri.getAuthority ().equals (providerName)
+            && uri.getAuthority ().equals (provider)
             && permission.isReadPermission ())
           /* Make sure the tree document ID is encoded.  Refrain from
              encoding characters such as +:&?#, since they don't
@@ -1435,6 +1425,9 @@ public final class EmacsService extends Service
                                     " +:&?#"));
       }
 
+    /* The empty string array that is ostensibly allocated to provide
+       the first argument provides just the type of the array to be
+       returned.  */
     return treeList.toArray (new String[0]);
   }