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authorMartin KaFai Lau2020-01-08 16:34:59 -0800
committerAlexei Starovoitov2020-01-09 08:46:18 -0800
commit218b3f65f9081f5e1bffe6de5f0f4b22c935410b (patch)
tree9d66fc821e86ac07295f33718371c80390838e46 /kernel/bpf
parent275517ff452a535da5eef25b1c22e53fc50b0a12 (diff)
bpf: Add enum support to btf_ctx_access()
It allows bpf prog (e.g. tracing) to attach to a kernel function that takes enum argument. Signed-off-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20200109003459.3855366-1-kafai@fb.com
Diffstat (limited to 'kernel/bpf')
-rw-r--r--kernel/bpf/btf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index 497ecf62d79d..6a5ccb748a72 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -3677,7 +3677,7 @@ bool btf_ctx_access(int off, int size, enum bpf_access_type type,
/* skip modifiers */
while (btf_type_is_modifier(t))
t = btf_type_by_id(btf, t->type);
- if (btf_type_is_int(t))
+ if (btf_type_is_int(t) || btf_type_is_enum(t))
/* accessing a scalar */
return true;
if (!btf_type_is_ptr(t)) {