bugfix for TAP down

ipop-project · Sep 20, 2018 · d17e474 · d17e474
1 parent b0624ea
commit d17e474
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/trunk/src/linux/tapdev_lnx.cc b/trunk/src/linux/tapdev_lnx.cc
@@ -256,8 +256,10 @@ void TapDevLnx::Up()
 void TapDevLnx::Down()
 {
   is_good_ = false;
-  reader_->Quit();
-  writer_->Quit();
+  if(reader_)
+    reader_->Quit();
+  if(writer_)
+    writer_->Quit();
   reader_.reset();
   writer_.reset();
   SetFlags(0, IFF_UP);