Correct checking for mmap failure.

diff --git a/ChangeLog b/ChangeLog
index 6992adc..1296ee6 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2012-10-31  Thomas Schwinge  <thomas@codesourcery.com>
+
+       * rt/tst-shm.c (worker): Correct checking for mmap failure.
+
 2012-10-31  Andreas Schwab  <schwab@linux-m68k.org>
 
        * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/nptl/libc.abilist:

diff --git a/rt/tst-shm.c b/rt/tst-shm.c
index 92593bd..457b075 100644 (file)
--- 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;