1 files changed, 12 insertions, 5 deletions
diff --git a/hl/examples/ex_image2.c b/hl/examples/ex_image2.c
index 76c3a75..3276f7c 100644
--- a/hl/examples/ex_image2.c
+++ b/hl/examples/ex_image2.c
@@ -26,7 +26,7 @@
 #define PAL_ENTRIES  256
 
 static int    read_data(const char* file_name, hsize_t *width, hsize_t *height );
-unsigned char *gbuf = 0;  /* global buffer for image data */
+unsigned char *gbuf = NULL;  /* global buffer for image data */
 
 int main( void )
 {
@@ -79,18 +79,25 @@ int main( void )
 
  /* make dataset */
  status=H5IMmake_image_24bit( file_id, IMAGE2_NAME, width, height, "INTERLACE_PIXEL", gbuf );
- if (gbuf) {
-    free(gbuf);
-    gbuf = NULL;
- }
 
  /* close the file. */
  H5Fclose( file_id );
 
+ if(gbuf) {
+    free(gbuf);
+    gbuf = NULL;
+ }
+
  return 0;
 
 out:
  printf("Error on return function...Exiting\n");
+
+ if(gbuf) {
+    free(gbuf);
+    gbuf = NULL;
+ }
+
  return 1;
 }