linux-kernel - [tip:x86/pti] selftests/x86/entry_from

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Date:   Wed, 14 Mar 2018 01:46:16 -0700
From:   tip-bot for Andy Lutomirski <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     peterz@...radead.org, jpoimboe@...hat.com, brgerst@...il.com,
        hpa@...or.com, stsp@...t.ru, torvalds@...ux-foundation.org,
        dvlasenk@...hat.com, tglx@...utronix.de, mingo@...nel.org,
        luto@...nel.org, linux-kernel@...r.kernel.org, bp@...en8.de
Subject: [tip:x86/pti] selftests/x86/entry_from_vm86: Exit with 1 if we fail

Commit-ID:  327d53d005ca47b10eae940616ed11c569f75a9b
Gitweb:     https://git.kernel.org/tip/327d53d005ca47b10eae940616ed11c569f75a9b
Author:     Andy Lutomirski <luto@...nel.org>
AuthorDate: Tue, 13 Mar 2018 22:03:10 -0700
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Wed, 14 Mar 2018 09:21:01 +0100

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@...nel.org>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Brian Gerst <brgerst@...il.com>
Cc: Denys Vlasenko <dvlasenk@...hat.com>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Josh Poimboeuf <jpoimboe@...hat.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stas Sergeev <stsp@...t.ru>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: bartoldeman@...il.com
Cc: stable@...r.kernel.org
Link: http://lkml.kernel.org/r/b1cc37144038958a469c8f70a5f47a6a5638636a.1521003603.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 tools/testing/selftests/x86/entry_from_vm86.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/x86/entry_from_vm86.c b/tools/testing/selftests/x86/entry_from_vm86.c
index 361466a2eaef..6e85f0d0498d 100644
--- 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);