[tip:perf/urgent] tracing: Fix undeclared ENOSYS in include/linux/tracepoint.h

[tip-bot for Wu Zhangjin <wuzhangjin@gmail.com>]

Commit-ID:  b70e4f0529c089b00d0a6da13106db4de1ada4c7
Gitweb:     http://git.kernel.org/tip/b70e4f0529c089b00d0a6da13106db4de1ada4c7
Author:     Wu Zhangjin <wuzhangjin@gmail.com>
AuthorDate: Mon, 21 Jun 2010 19:09:09 +0800
Committer:  Steven Rostedt <rostedt@goodmis.org>
CommitDate: Mon, 21 Jun 2010 12:23:36 -0400

tracing: Fix undeclared ENOSYS in include/linux/tracepoint.h

The header file include/linux/tracepoint.h may be included without
include/linux/errno.h and then the compiler will fail on building for
undelcared ENOSYS. This patch fixes this problem via including <linux/errno.h>
to include/linux/tracepoint.h.

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
LKML-Reference: <1277118549-622-1-git-send-email-wuzhangjin@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 include/linux/tracepoint.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index 9a59d1f..103d1b6 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -14,6 +14,7 @@
  * See the file COPYING for more details.
  */
 
+#include <linux/errno.h>
 #include <linux/types.h>
 #include <linux/rcupdate.h>