boinc-client/0001-Fix-1530-null-pointer-dereference.patch

From 8416d8a1a423535fbc5d4e7416d6eac8ac5c050b Mon Sep 17 00:00:00 2001
From: Preston Maness <aggroskater@gmail.com>
Date: Tue, 26 Apr 2016 23:06:57 -0500
Subject: [PATCH] Fix #1530 (null pointer dereference)
X-Patch-added-by: Jan Engelhardt <jengelh@inai.de>
X-Patch-added-on: 2016-12-27 21:25:14 +0000

---
 client/hostinfo_unix.cpp |    9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

Index: boinc-client_release-7.6-7.6.33/client/hostinfo_unix.cpp
===================================================================
--- boinc-client_release-7.6-7.6.33.orig/client/hostinfo_unix.cpp
+++ boinc-client_release-7.6-7.6.33/client/hostinfo_unix.cpp
@@ -1989,11 +1989,12 @@ const vector<string> X_display_values_in
         "[idle_detection] Error (%d) opening %s.", errno, dir.c_str());
     }
   }
-
-  while ((dirp = readdir(dp)) != NULL) {
-    display_values.push_back(string(dirp->d_name));
+  else {
+    while ((dirp = readdir(dp)) != NULL) {
+      display_values.push_back(string(dirp->d_name));
+    }
+    closedir(dp);
   }
-  closedir(dp);
 
   // Get rid of non-matching elements and format the matching ones.
   for ( it = display_values.begin() ; it != display_values.end() ; ) {