From 50d6e75185dd7b2e52a0fdb695ac68b65da701ed Mon Sep 17 00:00:00 2001
From: Paul Licameli <paul.licameli@audacityteam.org>
Date: Wed, 3 Jan 2018 15:34:49 -0500
Subject: [PATCH] null checks -- fix Linux crash in drag-dropping files onto
 app icon?

---
 src/ModuleManager.cpp | 5 ++++-
 src/PluginManager.cpp | 3 +++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/ModuleManager.cpp b/src/ModuleManager.cpp
index e906067e7..063410e38 100755
--- a/src/ModuleManager.cpp
+++ b/src/ModuleManager.cpp
@@ -513,7 +513,10 @@ void ModuleManager::FindAllPlugins(PluginIDList & providers, wxArrayString & pat
 
       ModuleInterface *module =
          static_cast<ModuleInterface *>(CreateProviderInstance(providerID, modPaths[i]));
-      
+
+      if (!module)
+         continue;
+
       wxArrayString newpaths = module->FindPluginPaths(pm);
       for (size_t i = 0, cnt = newpaths.size(); i < cnt; i++)
       {
diff --git a/src/PluginManager.cpp b/src/PluginManager.cpp
index b8929593c..9edc3cec5 100644
--- a/src/PluginManager.cpp
+++ b/src/PluginManager.cpp
@@ -1759,6 +1759,9 @@ bool PluginManager::DropFile(const wxString &fileName)
    {
       auto module = static_cast<ModuleInterface *>
          (mm.CreateProviderInstance(plug->GetID(), plug->GetPath()));
+      if (! module)
+         continue;
+
       const auto &ff = module->InstallPath();
       auto extensions = module->FileExtensions();
       if (!ff.empty() &&