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(parent: 12e4ecf) | patch
netfilter: nft_payload: track register operations
authorPablo Neira Ayuso <pablo@netfilter.org>
Sun, 9 Jan 2022 16:11:22 +0000 (17:11 +0100)
committerPablo Neira Ayuso <pablo@netfilter.org>
Sun, 9 Jan 2022 22:35:17 +0000 (23:35 +0100)
commita7c176bf9f0e916f7544f6a00d898b0c90de1887
tree85062707d32c15770a33ce5e5909ab17c71374bbtree | snapshot
parent12e4ecfa244be2f117ef5304d2d866b65e70bff3commit | diff
netfilter: nft_payload: track register operations

Check if the destination register already contains the data that this
payload store expression performs. This allows to skip this redundant
operation. If the destination contains a different selector, update
the register tracking information.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
net/netfilter/nft_payload.c diff | blob | history
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