From: Michael Gernoth <michael@gernoth.net>
Date: Sun, 6 Jun 2010 10:31:41 +0000 (+0200)
Subject: don't continue when malloc bails out
X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/rigol/commitdiff_plain/2d17f2ab31a270ebbac95879fef6c7d3176d1960

don't continue when malloc bails out
---

diff --git a/png.c b/png.c
index a85e7d7..ac09767 100644
--- a/png.c
+++ b/png.c
@@ -155,6 +155,7 @@ unsigned char *lcd2png(unsigned char *lcd, int *len)
 	
 	if (image == NULL) {
 		perror("malloc");
+		return NULL;
 	}
 	
 	outpos = image;