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authorDaniel Borkmann <daniel@iogearbox.net>2022-01-10 17:05:49 +0300
committerDaniel Borkmann <daniel@iogearbox.net>2022-01-19 03:21:24 +0300
commitbe80a1d3f9dbe5aee79a325964f7037fe2d92f30 (patch)
treea3e887f6a5df46e96f185bd4f27aee1c3e28496f /include/linux/bpf_verifier.h
parent343e53754b21ae45530623222aa079fecd3cf942 (diff)
downloadlinux-be80a1d3f9dbe5aee79a325964f7037fe2d92f30.tar.xz
bpf: Generalize check_ctx_reg for reuse with other types
Generalize the check_ctx_reg() helper function into a more generic named one so that it can be reused for other register types as well to check whether their offset is non-zero. No functional change. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: John Fastabend <john.fastabend@gmail.com> Acked-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'include/linux/bpf_verifier.h')
-rw-r--r--include/linux/bpf_verifier.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h
index 143401d4c9d9..e9993172f892 100644
--- a/include/linux/bpf_verifier.h
+++ b/include/linux/bpf_verifier.h
@@ -519,8 +519,8 @@ bpf_prog_offload_replace_insn(struct bpf_verifier_env *env, u32 off,
void
bpf_prog_offload_remove_insns(struct bpf_verifier_env *env, u32 off, u32 cnt);
-int check_ctx_reg(struct bpf_verifier_env *env,
- const struct bpf_reg_state *reg, int regno);
+int check_ptr_off_reg(struct bpf_verifier_env *env,
+ const struct bpf_reg_state *reg, int regno);
int check_mem_reg(struct bpf_verifier_env *env, struct bpf_reg_state *reg,
u32 regno, u32 mem_size);