linux-kernel - [PATCH bpf-next] bpf: Define bpf_token_show_fdinfo with CONFIG_PROC

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Message-Id: <20250317155147.2933972-1-chen.dylane@linux.dev>
Date: Mon, 17 Mar 2025 23:51:47 +0800
From: Tao Chen <chen.dylane@...ux.dev>
To: ast@...nel.org,
	daniel@...earbox.net,
	andrii@...nel.org,
	martin.lau@...ux.dev,
	eddyz87@...il.com,
	song@...nel.org,
	yonghong.song@...ux.dev,
	john.fastabend@...il.com,
	kpsingh@...nel.org,
	sdf@...ichev.me,
	haoluo@...gle.com,
	jolsa@...nel.org,
	brauner@...nel.org
Cc: bpf@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Tao Chen <chen.dylane@...ux.dev>
Subject: [PATCH bpf-next] bpf: Define bpf_token_show_fdinfo with CONFIG_PROC_FS

Protect bpf_token_show_fdinfo with CONFIG_PROC_FS check, otherwise
it will compile error if CONFIG_PROC_FS is not set.

Fixes: 35f96de04127 ("bpf: Introduce BPF token object")
Signed-off-by: Tao Chen <chen.dylane@...ux.dev>
---
 kernel/bpf/token.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/bpf/token.c b/kernel/bpf/token.c
index 26057aa13..4396eefde 100644
--- a/kernel/bpf/token.c
+++ b/kernel/bpf/token.c
@@ -105,7 +105,9 @@ static const struct inode_operations bpf_token_iops = { };
 
 static const struct file_operations bpf_token_fops = {
 	.release	= bpf_token_release,
+#ifdef CONFIG_PROC_FS
 	.show_fdinfo	= bpf_token_show_fdinfo,
+#endif
 };
 
 int bpf_token_create(union bpf_attr *attr)
-- 
2.43.0