linux-kernel - [PATCH] bpfilter/verifier: add include guard to tnum.h

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Message-Id: <20190819161035.21826-1-yamada.masahiro@socionext.com>
Date:   Tue, 20 Aug 2019 01:10:35 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        netdev@...r.kernel.org, bpf@...r.kernel.org
Cc:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] bpfilter/verifier: add include guard to tnum.h

Add a header include guard just in case.

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

 include/linux/tnum.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/linux/tnum.h b/include/linux/tnum.h
index c7dc2b5902c0..c17af77f3fae 100644
--- a/include/linux/tnum.h
+++ b/include/linux/tnum.h
@@ -5,6 +5,10 @@
  * propagate the unknown bits such that the tnum result represents all the
  * possible results for possible values of the operands.
  */
+
+#ifndef _LINUX_TNUM_H
+#define _LINUX_TNUM_H
+
 #include <linux/types.h>
 
 struct tnum {
@@ -81,3 +85,5 @@ bool tnum_in(struct tnum a, struct tnum b);
 int tnum_strn(char *str, size_t size, struct tnum a);
 /* Format a tnum as tristate binary expansion */
 int tnum_sbin(char *str, size_t size, struct tnum a);
+
+#endif /* _LINUX_TNUM_H */
-- 
2.17.1