linux-kernel - [PATCH v9 02/10] bpf: Allow kfuncs to be used in LSM programs

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Date:   Tue, 9 Aug 2022 15:45:55 +0200
From:   Roberto Sassu <roberto.sassu@...wei.com>
To:     <ast@...nel.org>, <daniel@...earbox.net>, <andrii@...nel.org>,
        <martin.lau@...ux.dev>, <song@...nel.org>, <yhs@...com>,
        <john.fastabend@...il.com>, <kpsingh@...nel.org>, <sdf@...gle.com>,
        <haoluo@...gle.com>, <jolsa@...nel.org>, <corbet@....net>,
        <dhowells@...hat.com>, <jarkko@...nel.org>, <rostedt@...dmis.org>,
        <mingo@...hat.com>, <paul@...l-moore.com>, <jmorris@...ei.org>,
        <serge@...lyn.com>, <shuah@...nel.org>
CC:     <bpf@...r.kernel.org>, <linux-doc@...r.kernel.org>,
        <keyrings@...r.kernel.org>,
        <linux-security-module@...r.kernel.org>,
        <linux-kselftest@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v9 02/10] bpf: Allow kfuncs to be used in LSM programs

From: KP Singh <kpsingh@...nel.org>

In preparation for the addition of bpf_getxattr kfunc.

Signed-off-by: KP Singh <kpsingh@...nel.org>
---
 kernel/bpf/btf.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index d3e4c86b8fcd..67dfc728fbf8 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -7244,6 +7244,7 @@ static int bpf_prog_type_to_kfunc_hook(enum bpf_prog_type prog_type)
 	case BPF_PROG_TYPE_STRUCT_OPS:
 		return BTF_KFUNC_HOOK_STRUCT_OPS;
 	case BPF_PROG_TYPE_TRACING:
+	case BPF_PROG_TYPE_LSM:
 		return BTF_KFUNC_HOOK_TRACING;
 	case BPF_PROG_TYPE_SYSCALL:
 		return BTF_KFUNC_HOOK_SYSCALL;
-- 
2.25.1