From cbc818d0ee66065f3942beffdca82986615aa19a Mon Sep 17 00:00:00 2001
From: Thomas Schwinge <thomas@codesourcery.com>
Date: Thu, 1 Nov 2012 00:23:09 +0100
Subject: Correct checking for mmap failure.

---
 rt/tst-shm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'rt')

diff --git a/rt/tst-shm.c b/rt/tst-shm.c
index 92593bd273..457b075a38 100644
--- a/rt/tst-shm.c
+++ b/rt/tst-shm.c
@@ -73,7 +73,7 @@ worker (int write_now)
     error (EXIT_FAILURE, 0, "size incorrect");
 
   mem = mmap (NULL, 4000, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
-  if (mem == NULL)
+  if (mem == MAP_FAILED)
     error (EXIT_FAILURE, 0, "mmap failed");
 
   ts.tv_sec = 0;
-- 
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