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bpf: Remove unnecessary checks on the offset of btf_field.

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reg_find_field_offset() always return a btf_field with a matching offset
value. Checking the offset of the returned btf_field is unnecessary.

Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
Link: https://lore.kernel.org/r/20240523174202.461236-2-thinker.li@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Kui-Feng Lee 2024-05-23 10:41:54 -07:00 committed by Alexei Starovoitov
parent 49784c7979
commit c95a3be45a
1 changed files with 1 additions and 1 deletions
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2
kernel/bpf/verifier.c
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@ -11640,7 +11640,7 @@ __process_kf_arg_ptr_to_graph_node(struct bpf_verifier_env *env,
node_off = reg->off + reg->var_off.value;
field = reg_find_field_offset(reg, node_off, node_field_type);
if (!field || field->offset != node_off) {
if (!field) {
verbose(env, "%s not found at offset=%u\n", node_type_name, node_off);
return -EINVAL;
}