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[v18,01/13] bpf: Allow kfuncs to be used in LSM programs

Message ID 20220920075951.929132-2-roberto.sassu@huaweicloud.com
State New
Headers show
Series bpf: Add kfuncs for PKCS#7 signature verification | expand

Commit Message

Roberto Sassu Sept. 20, 2022, 7:59 a.m. UTC 
From: KP Singh <kpsingh@kernel.org>

In preparation for the addition of new kfuncs, allow kfuncs defined in the
tracing subsystem to be used in LSM programs by mapping the LSM program
type to the TRACING hook.

Signed-off-by: KP Singh <kpsingh@kernel.org>
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
---
 kernel/bpf/btf.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index b3940c605aac..dd60cd0efcf8 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -7381,6 +7381,7 @@  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;