selftests/x86/entry_from_vm86: Exit with 1 if we fail

Fix a logic error that caused the test to exit with 0 even if test
cases failed.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stas Sergeev <stsp@list.ru>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: bartoldeman@gmail.com
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/b1cc37144038958a469c8f70a5f47a6a5638636a.1521003603.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --git a/tools/testing/selftests/x86/entry_from_vm86.c b/tools/testing/selftests/x86/entry_from_vm86.c
index 361466a2eaef34492e24588d4ef52d8aa68a53ac..6e85f0d0498d60eb4b9b1a85e7c5338695afff35 100644 (file)
--- a/tools/testing/selftests/x86/entry_from_vm86.c
+++ b/tools/testing/selftests/x86/entry_from_vm86.c
@@ -318,7 +318,7 @@ int main(void)
        clearhandler(SIGSEGV);
 
        /* Make sure nothing explodes if we fork. */
-       if (fork() > 0)
+       if (fork() == 0)
                return 0;
 
        return (nerrs == 0 ? 0 : 1);