From b1cd609d9b517f01867c211bd520cc805db3068a Mon Sep 17 00:00:00 2001 From: Andrey Ignatov Date: Tue, 12 Mar 2019 09:27:09 -0700 Subject: [PATCH] bpf: Add base proto function for cgroup-bpf programs Currently kernel/bpf/cgroup.c contains only one program type and one proto function cgroup_dev_func_proto(). It'd be useful to have base proto function that can be reused for new cgroup-bpf program types coming soon. Introduce cgroup_base_func_proto(). Signed-off-by: Andrey Ignatov Signed-off-by: Alexei Starovoitov --- kernel/bpf/cgroup.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/kernel/bpf/cgroup.c b/kernel/bpf/cgroup.c index 4e807973aa80..f6cd38746df2 100644 --- a/kernel/bpf/cgroup.c +++ b/kernel/bpf/cgroup.c @@ -701,7 +701,7 @@ int __cgroup_bpf_check_dev_permission(short dev_type, u32 major, u32 minor, EXPORT_SYMBOL(__cgroup_bpf_check_dev_permission); static const struct bpf_func_proto * -cgroup_dev_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) +cgroup_base_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) { switch (func_id) { case BPF_FUNC_map_lookup_elem: @@ -725,6 +725,12 @@ cgroup_dev_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) } } +static const struct bpf_func_proto * +cgroup_dev_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) +{ + return cgroup_base_func_proto(func_id, prog); +} + static bool cgroup_dev_is_valid_access(int off, int size, enum bpf_access_type type, const struct bpf_prog *prog, -- 2.45.2