linux-kernel - [PATCH 4.9 213/241] selftests/x86/entry_from

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Message-Id: <20180319180759.990889173@linuxfoundation.org>
Date:   Mon, 19 Mar 2018 19:07:58 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Andy Lutomirski <luto@...nel.org>,
        Borislav Petkov <bp@...en8.de>,
        Brian Gerst <brgerst@...il.com>,
        Denys Vlasenko <dvlasenk@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Stas Sergeev <stsp@...t.ru>,
        Thomas Gleixner <tglx@...utronix.de>, bartoldeman@...il.com,
        Ingo Molnar <mingo@...nel.org>
Subject: [PATCH 4.9 213/241] selftests/x86/entry_from_vm86: Exit with 1 if we fail

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andy Lutomirski <luto@...nel.org>

commit 327d53d005ca47b10eae940616ed11c569f75a9b upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 tools/testing/selftests/x86/entry_from_vm86.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/tools/testing/selftests/x86/entry_from_vm86.c
+++ b/tools/testing/selftests/x86/entry_from_vm86.c
@@ -231,7 +231,7 @@ 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);