Do not offset the null pointer of an empty peer vector

1 files changed, 6 insertions, 1 deletions

diff --git a/src/ot_clean.c b/src/ot_clean.c
index dfac011..eaf069a 100644
--- a/src/ot_clean.c
+++ b/src/ot_clean.c
@@ -18,7 +18,12 @@
 
 /* Returns amount of removed peers */
 static ssize_t clean_single_bucket(ot_peer *peers, size_t peer_count, size_t peer_size, time_t timedout, size_t *removed_seeders) {
-  ot_peer *last_peer = peers + peer_count * peer_size, *insert_point;
+  ot_peer *last_peer, *insert_point;
+
+  if (!peer_count)
+    return 0;
+
+  last_peer = peers + peer_count * peer_size;
 
   /* Two scan modes: unless there is one peer removed, just increase ot_peertime */
   while (peers < last_peer) {