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-rw-r--r--net/netfilter/nft_payload.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/net/netfilter/nft_payload.c b/net/netfilter/nft_payload.c
index f518bf634997..10f422caa76a 100644
--- a/net/netfilter/nft_payload.c
+++ b/net/netfilter/nft_payload.c
@@ -798,12 +798,33 @@ nla_put_failure:
return -1;
}
+static bool nft_payload_set_reduce(struct nft_regs_track *track,
+ const struct nft_expr *expr)
+{
+ int i;
+
+ for (i = 0; i < NFT_REG32_NUM; i++) {
+ if (!track->regs[i].selector)
+ continue;
+
+ if (track->regs[i].selector->ops != &nft_payload_ops &&
+ track->regs[i].selector->ops != &nft_payload_fast_ops)
+ continue;
+
+ track->regs[i].selector = NULL;
+ track->regs[i].bitwise = NULL;
+ }
+
+ return false;
+}
+
static const struct nft_expr_ops nft_payload_set_ops = {
.type = &nft_payload_type,
.size = NFT_EXPR_SIZE(sizeof(struct nft_payload_set)),
.eval = nft_payload_set_eval,
.init = nft_payload_set_init,
.dump = nft_payload_set_dump,
+ .reduce = nft_payload_set_reduce,
};
static const struct nft_expr_ops *