From 3d7ef021fafb46a4f31ecc9e5665750f684180f3 Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@hack.frob.com>
Date: Thu, 3 Sep 2015 16:06:07 -0700
Subject: BZ#18921: Fix opendir inverted o_directory_works test.

---
 ChangeLog               | 8 ++++++++
 sysdeps/posix/opendir.c | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 3d9265602e..3a6d697bec 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2015-09-03  Roland McGrath  <roland@hack.frob.com>
+
+	[BZ #18921]
+	* sysdeps/posix/opendir.c (need_isdir_precheck) [O_DIRECTORY]:
+	Fix inverted sense of test of 'o_directory_works' value.
+	Reported by Pádraig Brady <P@draigBrady.com>, diagnosed by
+	Bernhard Voelker <mail@bernhard-voelker.de>.
+
 2015-09-03  Joseph Myers  <joseph@codesourcery.com>
 
 	[BZ #14912]
diff --git a/sysdeps/posix/opendir.c b/sysdeps/posix/opendir.c
index 6509f5c05c..9edf056fb3 100644
--- a/sysdeps/posix/opendir.c
+++ b/sysdeps/posix/opendir.c
@@ -105,7 +105,7 @@ need_isdir_precheck (void)
     tryopen_o_directory ();
 
   /* We can skip the expensive `stat' call if O_DIRECTORY works.  */
-  return o_directory_works > 0;
+  return o_directory_works < 0;
 #endif
   return true;
 }
-- 
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