NFS: nfs_do_filldir() does not return a value

Clean up nfs_do_filldir().
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Tested-by: Benjamin Coddington <bcodding@redhat.com>
Tested-by: Dave Wysochanski <dwysocha@redhat.com>

fs/nfs/dir.c

@@ -881,13 +881,11 @@ int readdir_search_pagecache(nfs_readdir_descriptor_t *desc)
 /*
  * Once we've found the start of the dirent within a page: fill 'er up...
  */
-static 
-int nfs_do_filldir(nfs_readdir_descriptor_t *desc)
+static void nfs_do_filldir(struct nfs_readdir_descriptor *desc)
 {
 	struct file	*file = desc->file;
-	int i = 0;
-	int res = 0;
-	struct nfs_cache_array *array = NULL;
+	struct nfs_cache_array *array;
+	unsigned int i = 0;
 
 	array = kmap(desc->page);
 	for (i = desc->cache_entry_index; i < array->size; i++) {
@@ -914,9 +912,8 @@ int nfs_do_filldir(nfs_readdir_descriptor_t *desc)
 		desc->eof = true;
 
 	kunmap(desc->page);
-	dfprintk(DIRCACHE, "NFS: nfs_do_filldir() filling ended @ cookie %Lu; returning = %d\n",
-			(unsigned long long)desc->dir_cookie, res);
-	return res;
+	dfprintk(DIRCACHE, "NFS: nfs_do_filldir() filling ended @ cookie %llu\n",
+			(unsigned long long)desc->dir_cookie);
 }
 
 /*
@@ -957,7 +954,7 @@ int uncached_readdir(nfs_readdir_descriptor_t *desc)
 	if (status < 0)
 		goto out_release;
 
-	status = nfs_do_filldir(desc);
+	nfs_do_filldir(desc);
 
  out_release:
 	nfs_readdir_clear_array(desc->page);
@@ -1032,10 +1029,8 @@ static int nfs_readdir(struct file *file, struct dir_context *ctx)
 		if (res < 0)
 			break;
 
-		res = nfs_do_filldir(desc);
+		nfs_do_filldir(desc);
 		nfs_readdir_page_unlock_and_put_cached(desc);
-		if (res < 0)
-			break;
 	} while (!desc->eof);
 
 	spin_lock(&file->f_lock);
@@ -1046,8 +1041,6 @@ static int nfs_readdir(struct file *file, struct dir_context *ctx)
 	spin_unlock(&file->f_lock);
 
 out:
-	if (res > 0)
-		res = 0;
 	dfprintk(FILE, "NFS: readdir(%pD2) returns %d\n", file, res);
 	return res;
 }