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perf unwind arm64: Add missing errno.h header

tip:perf/core tip-bot for Arnaldo Carvalho de Melo 1 participant 1 message Apr 20, 2017

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Commit-ID:  4c38c8f5d2c8c48dcf502cd039f30cb1f82fe63c
Gitweb:     http://git.kernel.org/tip/4c38c8f5d2c8c48dcf502cd039f30cb1f82fe63c
Author:     Arnaldo Carvalho de Melo <[email protected]>
AuthorDate: Wed, 19 Apr 2017 12:49:58 -0300
Committer:  Arnaldo Carvalho de Melo <[email protected]>
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 <[email protected]>
Cc David Ahern <[email protected]>
Cc Jean Pihet <[email protected]>
Cc Jiri Olsa <[email protected]>
Cc Namhyung Kim <[email protected]>
Cc Wang Nan <[email protected]>
Fixes 8ab596afb97b ("perf tools ARM64: Wire up perf_regs and unwind support")
---
 tools/perf/arch/arm64/util/unwind-libunwind.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
tools/perf/arch/arm64/util/unwind-libunwind.c +1 -1
index c116b71..b415dfd 100644
@@ -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"