From 12dfe9df15b408673a0c1cfd81a9432a0de38a13 Mon Sep 17 00:00:00 2001
From: Dominik Pich
Date: Sat, 21 Feb 2015 10:30:51 +0100
Subject: check elementsWithPropertiesArray param

---
 lib/DDHidElement.m | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/DDHidElement.m b/lib/DDHidElement.m
index 5a00095..eac28b1 100644
--- a/lib/DDHidElement.m
+++ b/lib/DDHidElement.m
@@ -31,6 +31,9 @@
 
 + (NSArray *) elementsWithPropertiesArray: (NSArray *) propertiesArray;
 {
+    if(!propertiesArray) return nil;
+    if(![propertiesArray isKindOfClass:[NSArray class]]) propertiesArray = @[propertiesArray];
+
     NSMutableArray * elements = [NSMutableArray array];
     
     NSDictionary * properties;
-- 
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