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-rw-r--r--regress/lib/libc/explicit_bzero/explicit_bzero.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/regress/lib/libc/explicit_bzero/explicit_bzero.c b/regress/lib/libc/explicit_bzero/explicit_bzero.c
index b4b6c9e559e..d78c4d60541 100644
--- a/regress/lib/libc/explicit_bzero/explicit_bzero.c
+++ b/regress/lib/libc/explicit_bzero/explicit_bzero.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: explicit_bzero.c,v 1.1 2014/06/12 22:01:55 matthew Exp $ */
+/* $OpenBSD: explicit_bzero.c,v 1.2 2014/07/09 14:26:59 bcook Exp $ */
/*
* Copyright (c) 2014 Google Inc.
*
@@ -67,7 +67,8 @@ call_on_stack(void (*fn)(int), void *stack, size_t stacklen)
/* Restore the original signal action, stack, and mask. */
ASSERT_EQ(0, sigaction(SIGUSR1, &oldsigact, NULL));
- ASSERT_EQ(0, sigaltstack(&oldsigstk, NULL));
+ if (oldsigstk.ss_flags & SA_ONSTACK)
+ ASSERT_EQ(0, sigaltstack(&oldsigstk, NULL));
ASSERT_EQ(0, sigprocmask(SIG_SETMASK, &oldsigset, NULL));
}