linux-kernel - [PATCH] perf tests: initialize sa.sa

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Message-Id: <1456923322-29697-1-git-send-email-colin.king@canonical.com>
Date:	Wed,  2 Mar 2016 12:55:22 +0000
From:	Colin King <colin.king@...onical.com>
To:	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] perf tests: initialize sa.sa_flags

From: Colin Ian King <colin.king@...onical.com>

The sa_flags field is not being initialized, so a garbage value is
being passed to sigaction.  Initialize it to zero.

Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 tools/perf/arch/x86/tests/rdpmc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/arch/x86/tests/rdpmc.c b/tools/perf/arch/x86/tests/rdpmc.c
index 7bb0d13..7945462 100644
--- a/tools/perf/arch/x86/tests/rdpmc.c
+++ b/tools/perf/arch/x86/tests/rdpmc.c
@@ -103,6 +103,7 @@ static int __test__rdpmc(void)
 
 	sigfillset(&sa.sa_mask);
 	sa.sa_sigaction = segfault_handler;
+	sa.sa_flags = 0;
 	sigaction(SIGSEGV, &sa, NULL);
 
 	fd = sys_perf_event_open(&attr, 0, -1, -1,
-- 
2.7.0