[PATCH bpf-next] bpf: Define bpf_token_show_fdinfo with CONFIG_PROC_FS

[Tao Chen <chen.dylane@linux.dev>]

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@linux.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