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flow_dissector: constify bpf_flow_dissector's data pointers 

BPF Flow dissection programs are read-only and don't touch input
buffers.
Mark 'data' and 'data_end' in struct bpf_flow_dissector as const
in preparation for global input constifying.

Signed-off-by: Alexander Lobakin <alobakin@pm.me>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Lobakin 2021-03-14 11:11:00 +00:00 committed by David S. Miller
parent 3f79eb3c3a
commit dac06b32c7
1 changed files with 2 additions and 2 deletions
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4
include/net/flow_dissector.h
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@ -368,8 +368,8 @@ static inline void *skb_flow_dissector_target(struct flow_dissector *flow_dissec
struct bpf_flow_dissector {
struct bpf_flow_keys *flow_keys;
const struct sk_buff *skb;
void *data;
void *data_end;
const void *data;
const void *data_end;
};
static inline void