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[v17,01/12] bpf: Allow kfuncs to be used in LSM programs

Message ID 20220909120736.1027040-2-roberto.sassu@huaweicloud.com (mailing list archive)
State Accepted
Commit d15bf1501c7533826a616478002c601fcc7671f3
Headers show
Series bpf: Add kfuncs for PKCS#7 signature verification | expand

Commit Message

Roberto Sassu Sept. 9, 2022, 12:07 p.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 9d12212fcd61..b5a0b9b8c272 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;