linux-kernel - [PATCH AUTOSEL 5.2 42/85] perf version: Fix segfault due to missing OPT

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Message-Id: <20190726133936.11177-42-sashal@kernel.org>
Date:   Fri, 26 Jul 2019 09:38:52 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Ravi Bangoria <ravi.bangoria@...ux.ibm.com>,
        Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>,
        Mamatha Inamdar <mamatha4@...ux.vnet.ibm.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH AUTOSEL 5.2 42/85] perf version: Fix segfault due to missing OPT_END()

From: Ravi Bangoria <ravi.bangoria@...ux.ibm.com>

[ Upstream commit 916c31fff946fae0e05862f9b2435fdb29fd5090 ]

'perf version' on powerpc segfaults when used with non-supported
option:
  # perf version -a
  Segmentation fault (core dumped)

Fix this.

Signed-off-by: Ravi Bangoria <ravi.bangoria@...ux.ibm.com>
Reviewed-by: Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
Tested-by: Mamatha Inamdar <mamatha4@...ux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/20190611030109.20228-1-ravi.bangoria@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 tools/perf/builtin-version.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/builtin-version.c b/tools/perf/builtin-version.c
index f470144d1a70..bf114ca9ca87 100644
--- a/tools/perf/builtin-version.c
+++ b/tools/perf/builtin-version.c
@@ -19,6 +19,7 @@ static struct version version;
 static struct option version_options[] = {
 	OPT_BOOLEAN(0, "build-options", &version.build_options,
 		    "display the build options"),
+	OPT_END(),
 };
 
 static const char * const version_usage[] = {
-- 
2.20.1