[tip:perf/core] perf tests: Initialize sa.sa_flags

[tip-bot for Colin Ian King]

Commit-ID:  e17a0e16ca3a63d1bafbcba313586cf137418f45
Gitweb:     http://git.kernel.org/tip/e17a0e16ca3a63d1bafbcba313586cf137418f45
Author:     Colin Ian King <colin.king@xxxxxxxxxxxxx>
AuthorDate: Wed, 2 Mar 2016 12:55:22 +0000
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Thu, 3 Mar 2016 11:10:39 -0300

perf tests: Initialize sa.sa_flags

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@xxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1456923322-29697-1-git-send-email-colin.king@xxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 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,