http://code.google.com/p/openjpeg/source/detail?r=505

diff -up OpenJPEG_v1_3/libopenjpeg/jp2.c.patch30 OpenJPEG_v1_3/libopenjpeg/jp2.c
--- OpenJPEG_v1_3/libopenjpeg/jp2.c.patch30	2007-10-18 07:26:11.000000000 -0500
+++ OpenJPEG_v1_3/libopenjpeg/jp2.c	2010-11-23 09:51:47.701170527 -0600
@@ -561,6 +561,7 @@ opj_image_t* jp2_decode(opj_jp2_t *jp2, 
 	image = j2k_decode(jp2->j2k, cio, cstr_info);
 	if(!image) {
 		opj_event_msg(cinfo, EVT_ERROR, "Failed to decode J2K image\n");
+		return NULL;
 	}
 
 	/* Set Image Color Space */