From ddb3fbb0f2e88b5cc46809dcfac29eccea67d53f Mon Sep 17 00:00:00 2001
From: Daniel Willmann <dwillmann@sysmocom.de>
Date: Tue, 5 Jan 2021 15:52:05 +0100
Subject: Fix gbproxy_sgsn_by_tlli wraparound

Change-Id: I74ecb655f4d433f7ac14d00d934d237325aab606
Related: SYS#4865, OS#4472
---
 src/gbproxy/gb_proxy_peer.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/gbproxy/gb_proxy_peer.c b/src/gbproxy/gb_proxy_peer.c
index 544eb5f7a..d2ddfc17e 100644
--- a/src/gbproxy/gb_proxy_peer.c
+++ b/src/gbproxy/gb_proxy_peer.c
@@ -534,8 +534,9 @@ struct gbproxy_sgsn *gbproxy_sgsn_by_tlli(struct gbproxy_config *cfg, struct gbp
 		i++;
 	}
 	// Start again from the beginning
+	i = 0;
 	llist_for_each_entry(sgsn, &cfg->sgsns, list) {
-		if (i > index) {
+		if (i >= index) {
 			break;
 		} else if (sgsn->pool.allow_attach) {
 			return sgsn;
-- 
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