From a07d61be4c0df15f41008f7122b19c25b4bc8a01 Mon Sep 17 00:00:00 2001
From: Willy Tarreau <w@1wt.eu>
Date: Fri, 26 Mar 2021 11:27:59 +0100
Subject: [PATCH] MINOR: vars: make get_vars() allow the session to be null

In order to support manipulating variables from outside a session,
let's make get_vars() not assume that the session is always set.
---
 src/vars.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vars.c b/src/vars.c
index 3390d240c..3c19ec815 100644
--- a/src/vars.c
+++ b/src/vars.c
@@ -47,7 +47,7 @@ static inline struct vars *get_vars(struct session *sess, struct stream *strm, e
 	case SCOPE_PROC:
 		return &global.vars;
 	case SCOPE_SESS:
-		return &sess->vars;
+		return sess ? &sess->vars : NULL;
 	case SCOPE_CHECK: {
 			struct check *check = objt_check(sess->origin);