From: Jules Irenge <jbi.octave@gmail.com>
To: Martin KaFai Lau <kafai@fb.com>
Cc: Elana.Copperman@mobileye.com, Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
Song Liu <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>,
netdev@vger.kernel.org, bpf@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 2/2] btf: Fix error of Macros with multiple statements
Date: Wed, 29 Jun 2022 18:19:30 +0100 [thread overview]
Message-ID: <YryJosfh8z2DhKC0@playground> (raw)
This patch fixes an error reported by checkpatch.pl
ERROR: Macros with multiple statements should be
enclosed in a do while loop
To fix this a do while(0) loop is used
to encloses the multiple statements.
Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
---
kernel/bpf/btf.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index 1bc496162572..95c1ee525e28 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -5057,8 +5057,10 @@ extern struct btf *btf_vmlinux;
static union {
struct bpf_ctx_convert {
#define BPF_PROG_TYPE(_id, _name, prog_ctx_type, kern_ctx_type) \
- prog_ctx_type _id##_prog; \
- kern_ctx_type _id##_kern;
+ do { \
+ prog_ctx_type _id##_prog; \
+ kern_ctx_type _id##_kern; \
+ } while (0)
#include <linux/bpf_types.h>
#undef BPF_PROG_TYPE
} *__t;
--
2.36.1
next reply other threads:[~2022-06-29 17:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-29 17:19 Jules Irenge [this message]
2022-06-29 17:36 ` [PATCH 2/2] btf: Fix error of Macros with multiple statements Martin KaFai Lau
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