linux-kernel - [PATCH 3.10 162/250] tracing: Add #undef to fix compile error

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Message-Id: <1496876436-32402-163-git-send-email-w@1wt.eu>
Date:   Thu,  8 Jun 2017 00:59:08 +0200
From:   Willy Tarreau <w@....eu>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        linux@...ck-us.net
Cc:     Rik van Riel <riel@...hat.com>,
        Steven Rostedt <rostedt@...dmis.org>, Willy Tarreau <w@....eu>
Subject: [PATCH 3.10 162/250] tracing: Add #undef to fix compile error

From: Rik van Riel <riel@...hat.com>

commit bf7165cfa23695c51998231c4efa080fe1d3548d upstream.

There are several trace include files that define TRACE_INCLUDE_FILE.

Include several of them in the same .c file (as I currently have in
some code I am working on), and the compile will blow up with a
"warning: "TRACE_INCLUDE_FILE" redefined #define TRACE_INCLUDE_FILE syscalls"

Every other include file in include/trace/events/ avoids that issue
by having a #undef TRACE_INCLUDE_FILE before the #define; syscalls.h
should have one, too.

Link: http://lkml.kernel.org/r/20160928225554.13bd7ac6@annuminas.surriel.com

Fixes: b8007ef74222 ("tracing: Separate raw syscall from syscall tracer")
Signed-off-by: Rik van Riel <riel@...hat.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@...dmis.org>
Signed-off-by: Willy Tarreau <w@....eu>
---
 include/trace/events/syscalls.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/trace/events/syscalls.h b/include/trace/events/syscalls.h
index 5a4c04a..55c9b99 100644
--- a/include/trace/events/syscalls.h
+++ b/include/trace/events/syscalls.h
@@ -1,5 +1,6 @@
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM raw_syscalls
+#undef TRACE_INCLUDE_FILE
 #define TRACE_INCLUDE_FILE syscalls
 
 #if !defined(_TRACE_EVENTS_SYSCALLS_H) || defined(TRACE_HEADER_MULTI_READ)
-- 
2.8.0.rc2.1.gbe9624a