From: Alan T. DeKok <aland@freeradius.org>
Date: Fri, 26 May 2017 19:01:30 +0000 (-0400)
Subject: don't lock if there's no interpreter.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fd2731052018781b0327dcb2da98197e7373dde7;p=thirdparty%2Ffreeradius-server.git

don't lock if there's no interpreter.

Mainly to shut up coverity.  CID #1400046
---

diff --git a/src/modules/rlm_lua/lua.c b/src/modules/rlm_lua/lua.c
index 9bc4f8544fc..904dccdf7f5 100644
--- a/src/modules/rlm_lua/lua.c
+++ b/src/modules/rlm_lua/lua.c
@@ -818,6 +818,8 @@ static lua_State *rlm_lua_get_interp(rlm_lua_t const *inst) {
 	 *	and return the instance specific interpreter.
 	 */
 	if (!inst->threads) {
+		if (!inst->interpreter) return NULL;
+
 		pthread_mutex_lock(inst->mutex);
 		return inst->interpreter;
 	}