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bpf, verifier: remove unneeded flow key in check_helper_mem_access 

They PTR_TO_FLOW_KEYS is not used today to be passed into a helper
as memory, so it can be removed from check_helper_mem_access().

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Daniel Borkmann 2018-10-21 02:09:26 +02:00 committed by Alexei Starovoitov
parent 4b5defdec3
commit ad38911dcd
1 changed files with 0 additions and 2 deletions
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kernel/bpf/verifier.c
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@ -2077,8 +2077,6 @@ static int check_helper_mem_access(struct bpf_verifier_env *env, int regno,
case PTR_TO_PACKET_META:
return check_packet_access(env, regno, reg->off, access_size,
zero_size_allowed);
case PTR_TO_FLOW_KEYS:
return check_flow_keys_access(env, reg->off, access_size);
case PTR_TO_MAP_VALUE:
return check_map_access(env, regno, reg->off, access_size,
zero_size_allowed);