From a88553ea6db9e9d7fabc22dab61979c60e4b3130 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Thu, 10 Oct 2019 09:34:17 +1030
Subject: [PATCH] gossipd: fix typo in seeker random probe logic.

No point probing past current block.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 gossipd/seeker.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gossipd/seeker.c b/gossipd/seeker.c
index 4bddeca65..01505d1d8 100644
--- a/gossipd/seeker.c
+++ b/gossipd/seeker.c
@@ -737,7 +737,7 @@ static void probe_random_scids(struct seeker *seeker, size_t num_blocks)
 	} else {
 		seeker->scid_probe_start
 			= pseudorand(seeker->daemon->current_blockheight
-				     + num_blocks);
+				     - num_blocks);
 		seeker->scid_probe_end
 			= seeker->scid_probe_start + num_blocks - 1;
 	}