linux-kernel - [tip:perf/core] perf unwind arm64: Add missing errno.h header

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Date:   Thu, 20 Apr 2017 04:01:50 -0700
From:   tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, namhyung@...nel.org,
        tglx@...utronix.de, jean.pihet@...aro.org, mingo@...nel.org,
        wangnan0@...wei.com, acme@...hat.com, jolsa@...nel.org,
        dsahern@...il.com, adrian.hunter@...el.com, hpa@...or.com
Subject: [tip:perf/core] perf unwind arm64: Add missing errno.h header

Commit-ID:  4c38c8f5d2c8c48dcf502cd039f30cb1f82fe63c
Gitweb:     http://git.kernel.org/tip/4c38c8f5d2c8c48dcf502cd039f30cb1f82fe63c
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Wed, 19 Apr 2017 12:49:58 -0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 19 Apr 2017 13:01:41 -0300

perf unwind arm64: Add missing errno.h header

Since it uses EINVAL unconditionally, it needs to also unconditionally
include errno.h.

Detected when recent changes made errno.h not be included by chance when
tools/perf/arch/arm64/util/unwind-libunwind.c gets included by
tools/perf/util/libunwind/arm64.c.

Putting this changeset just before that change so that we don't lose
bisectability on arm64.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Jean Pihet <jean.pihet@...aro.org>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Wang Nan <wangnan0@...wei.com>
Fixes: 8ab596afb97b ("perf tools ARM64: Wire up perf_regs and unwind support")
Link: http://lkml.kernel.org/n/tip-60zjev2o1locp5ivod38epa2@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/arch/arm64/util/unwind-libunwind.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/arch/arm64/util/unwind-libunwind.c b/tools/perf/arch/arm64/util/unwind-libunwind.c
index c116b71..b415dfd 100644
--- a/tools/perf/arch/arm64/util/unwind-libunwind.c
+++ b/tools/perf/arch/arm64/util/unwind-libunwind.c
@@ -1,6 +1,6 @@
+#include <errno.h>
 
 #ifndef REMOTE_UNWIND_LIBUNWIND
-#include <errno.h>
 #include <libunwind.h>
 #include "perf_regs.h"
 #include "../../util/unwind.h"