src/rrd_cgi.c: fix Coverity CID#13654 Resource leak

        CWE-404 / https://cwe.mitre.org/data/definitions/404.html

diff --git a/src/rrd_cgi.c b/src/rrd_cgi.c
index 7f6e20fc2d977dbc8d769b495b58c214a74b2317..88122dde9cd3c44e9fda81305453292c88be5e31 100644 (file)
--- a/src/rrd_cgi.c
+++ b/src/rrd_cgi.c
@@ -984,6 +984,7 @@ char     *printtimelast(
             char *err = (char *) malloc(len);
             snprintf(err, len, "[ERROR: %s]", rrd_get_error());
             rrd_clear_error();
+            free(buf);
             return err;
         }
         tm_last = *localtime(&last);