The link variable is already of type 'struct bpf_link *', casting it to
'struct bpf_link *' is redundant, drop it.

Signed-off-by: Yuntao Wang <ytcoode@gmail.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 9a213aaaac8a..cc1a8fc47f72 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -11270,7 +11270,7 @@ static struct bpf_link *bpf_program__attach_btf_id(const struct bpf_program *pro
 		return libbpf_err_ptr(pfd);
 	}
 	link->fd = pfd;
-	return (struct bpf_link *)link;
+	return link;
 }
 
 struct bpf_link *bpf_program__attach_trace(const struct bpf_program *prog)
-- 
2.35.3

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@iogearbox.net>:

On Sun, 24 Apr 2022 22:34:20 +0800 you wrote:
> The link variable is already of type 'struct bpf_link *', casting it to
> 'struct bpf_link *' is redundant, drop it.
> 
> Signed-off-by: Yuntao Wang <ytcoode@gmail.com>
> ---
>  tools/lib/bpf/libbpf.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Here is the summary with links:
  - [bpf-next] libbpf: Remove unnecessary type cast
    https://git.kernel.org/bpf/bpf-next/c/003fed595c0f

You are awesome, thank you!
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