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| author |   Andrii Nakryiko <andriin@fb.com> | 2020-06-01 13:26:01 -0700 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2020-06-01 15:13:04 -0700 |
| commit | febeb6dff7beafcaf89521f6c8ff7b0adac08d54 (patch) | |
| tree | 966abc0e092da570677472003cf1ca09939f9f4d | |
| parent | bpf: Use tracing helpers for lsm programs (diff) | |
| download | wireguard-linux-febeb6dff7beafcaf89521f6c8ff7b0adac08d54.tar.xz wireguard-linux-febeb6dff7beafcaf89521f6c8ff7b0adac08d54.zip | |
libbpf: Add _GNU_SOURCE for reallocarray to ringbuf.c
On systems with recent enough glibc, reallocarray compat won't kick in, so
reallocarray() itself has to come from stdlib.h include. But _GNU_SOURCE is
necessary to enable it. So add it.
Fixes: bf99c936f947 ("libbpf: Add BPF ring buffer support")
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20200601202601.2139477-1-andriin@fb.com
| -rw-r--r-- | tools/lib/bpf/ringbuf.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/lib/bpf/ringbuf.c b/tools/lib/bpf/ringbuf.c index bc10fa1d43c7..4fc6c6cbb4eb 100644 --- a/tools/lib/bpf/ringbuf.c +++ b/tools/lib/bpf/ringbuf.c @@ -4,6 +4,9 @@ * * Copyright (C) 2020 Facebook, Inc. */ +#ifndef _GNU_SOURCE +#define _GNU_SOURCE +#endif #include <stdlib.h> #include <stdio.h> #include <errno.h> |