From 05945bf00eef1196187ad2690244bea0ad255d6f Mon Sep 17 00:00:00 2001
From: Ilya Lavrenov <ilya.lavrenov@itseez.com>
Date: Tue, 27 Oct 2015 16:26:24 +0300
Subject: [PATCH] fixed case when grabbing failed

---
 modules/highgui/src/cap_images.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/highgui/src/cap_images.cpp b/modules/highgui/src/cap_images.cpp
index f6abc3a107..b63cc7552a 100644
--- a/modules/highgui/src/cap_images.cpp
+++ b/modules/highgui/src/cap_images.cpp
@@ -120,7 +120,7 @@ bool CvCapture_Images::grabFrame()
         grabbedInOpen = false;
         ++currentframe;
 
-        return true;
+        return frame != NULL;
     }
 
     cvReleaseImage(&frame);
@@ -128,7 +128,7 @@ bool CvCapture_Images::grabFrame()
     if( frame )
         currentframe++;
 
-    return frame != 0;
+    return frame != NULL;
 }
 
 IplImage* CvCapture_Images::retrieveFrame(int)