Call BannedListChanged outside of cs_setBanned lock

1 files changed, 16 insertions, 14 deletions

diff --git a/src/net.cpp b/src/net.cpp
index 5860109647..0e6a490e30 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -596,25 +596,27 @@ void CConnman::SetBanned(const banmap_t &banMap)
 void CConnman::SweepBanned()
 {
     int64_t now = GetTime();
-
-    LOCK(cs_setBanned);
-    banmap_t::iterator it = setBanned.begin();
-    while(it != setBanned.end())
+    bool notifyUI = false;
     {
-        CSubNet subNet = (*it).first;
-        CBanEntry banEntry = (*it).second;
-        if(now > banEntry.nBanUntil)
+        LOCK(cs_setBanned);
+        banmap_t::iterator it = setBanned.begin();
+        while(it != setBanned.end())
         {
-            setBanned.erase(it++);
-            setBannedIsDirty = true;
-            LogPrint(BCLog::NET, "%s: Removed banned node ip/subnet from banlist.dat: %s\n", __func__, subNet.ToString());
+            CSubNet subNet = (*it).first;
+            CBanEntry banEntry = (*it).second;
+            if(now > banEntry.nBanUntil)
+            {
+                setBanned.erase(it++);
+                setBannedIsDirty = true;
+                notifyUI = true;
+                LogPrint(BCLog::NET, "%s: Removed banned node ip/subnet from banlist.dat: %s\n", __func__, subNet.ToString());
+            }
+            else
+                ++it;
         }
-        else
-            ++it;
     }
-
     // update UI
-    if(setBannedIsDirty && clientInterface) {
+    if(notifyUI && clientInterface) {
         clientInterface->BannedListChanged();
     }
 }