From: Yucong Sun <fallentree@fb.com>
To: <bpf@vger.kernel.org>
Cc: <andrii@kernel.org>, <sunyucong@gmail.com>,
Yucong Sun <fallentree@fb.com>
Subject: [PATCH bpf v2] tools/bpftool: Avoid using "?:" in generated code
Date: Tue, 28 Sep 2021 11:37:44 -0700 [thread overview]
Message-ID: <20210928183744.1528680-1-fallentree@fb.com> (raw)
"?:" is a GNU C extension, some environment has warning flags for its
use, or even prohibit it directly. This patch avoid triggering these
problems by simply expand it to its full form, no functionality change.
Signed-off-by: Yucong Sun <fallentree@fb.com>
---
tools/bpf/bpftool/gen.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/tools/bpf/bpftool/gen.c b/tools/bpf/bpftool/gen.c
index d40d92bbf0e4..3a4afeb48bcc 100644
--- a/tools/bpf/bpftool/gen.c
+++ b/tools/bpf/bpftool/gen.c
@@ -803,7 +803,10 @@ static int do_skeleton(int argc, char **argv)
} \n\
\n\
err = %1$s__create_skeleton(obj); \n\
- err = err ?: bpf_object__open_skeleton(obj->skeleton, opts);\n\
+ if (err) \n\
+ goto err_out; \n\
+ \n\
+ err = bpf_object__open_skeleton(obj->skeleton, opts);\n\
if (err) \n\
goto err_out; \n\
\n\
--
2.30.2
reply other threads:[~2021-09-28 18:38 UTC|newest]
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