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authorThomas Schwinge <thomas@codesourcery.com>2012-11-01 00:23:09 +0100
committerThomas Schwinge <thomas@codesourcery.com>2012-11-01 00:23:09 +0100
commitcbc818d0ee66065f3942beffdca82986615aa19a (patch)
tree6418b4226377f40dbec9e682ad89dab6cca2711e /rt
parent5a03cb1e8542fc96dcc072163f5c76f242717159 (diff)
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Correct checking for mmap failure.
Diffstat (limited to 'rt')
-rw-r--r--rt/tst-shm.c2
1 files changed, 1 insertions, 1 deletions
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;