From: Wu Zhangjin on
From: Wu Zhangjin <wuzhangjin(a)>

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(a)>
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>


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