* [PATCH bpf-next] libbpf: fix usage of u32 in userspace code
@ 2019-11-25 21:29 Andrii Nakryiko
2019-11-25 21:53 ` Alexei Starovoitov
0 siblings, 1 reply; 2+ messages in thread
From: Andrii Nakryiko @ 2019-11-25 21:29 UTC (permalink / raw)
To: bpf, netdev, ast, daniel; +Cc: andrii.nakryiko, kernel-team, Andrii Nakryiko
u32 is not defined for libbpf when compiled outside of kernel sources (e.g.,
in Github projection). Use __u32 instead.
Fixes: b8c54ea455dc ("libbpf: Add support to attach to fentry/fexit tracing progs")
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
---
tools/lib/bpf/libbpf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index e1698461c6b3..b20f82e58989 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -5128,7 +5128,7 @@ int libbpf_find_vmlinux_btf_id(const char *name,
char *dst = raw_tp_btf + sizeof(BTF_PREFIX) - 1;
const char *btf_name;
int err = -EINVAL;
- u32 kind;
+ __u32 kind;
if (IS_ERR(btf)) {
pr_warn("vmlinux BTF is not found\n");
--
2.17.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH bpf-next] libbpf: fix usage of u32 in userspace code
2019-11-25 21:29 [PATCH bpf-next] libbpf: fix usage of u32 in userspace code Andrii Nakryiko
@ 2019-11-25 21:53 ` Alexei Starovoitov
0 siblings, 0 replies; 2+ messages in thread
From: Alexei Starovoitov @ 2019-11-25 21:53 UTC (permalink / raw)
To: Andrii Nakryiko
Cc: bpf, Network Development, Alexei Starovoitov, Daniel Borkmann,
Andrii Nakryiko, Kernel Team
On Mon, Nov 25, 2019 at 1:30 PM Andrii Nakryiko <andriin@fb.com> wrote:
>
> u32 is not defined for libbpf when compiled outside of kernel sources (e.g.,
> in Github projection). Use __u32 instead.
>
> Fixes: b8c54ea455dc ("libbpf: Add support to attach to fentry/fexit tracing progs")
> Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Applied. Thanks
^ permalink raw reply [flat|nested] 2+ messages in thread
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