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bpf: Allow kfuncs to be used in LSM programs

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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>
Link: https://lore.kernel.org/r/20220920075951.929132-2-roberto.sassu@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
KP Singh 2022-09-20 09:59:39 +02:00 committed by Alexei Starovoitov
parent 01f2e36c95
commit d15bf1501c
1 changed files with 1 additions and 0 deletions
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kernel/bpf/btf.c
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@ -7376,6 +7376,7 @@ 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;