Index: uspace/srv/fs/fat/fat_ops.c
===================================================================
--- uspace/srv/fs/fat/fat_ops.c	(revision 3e018e450667ffe7f8baf4256665029643ef1a22)
+++ uspace/srv/fs/fat/fat_ops.c	(revision af4dec0d3316f249f09b69a81a67a8b59ae182f8)
@@ -587,5 +587,4 @@
 	fat_dentry_t de;
 	int rc;
-	wchar_t wname[FAT_LFN_NAME_SIZE];
 
 	fibril_mutex_lock(&childp->lock);
@@ -600,9 +599,5 @@
 	fibril_mutex_unlock(&childp->lock);
 
-	rc = str_to_wstr(wname, FAT_LFN_NAME_SIZE, name);
-	if (rc != EOK)
-		return rc;
-
-	if (!fat_lfn_valid(wname))
+	if (!fat_valid_name(name))
 		return ENOTSUP;