netfilter: nf_tables: Remove unused nft_reduce_is_readonly()

Since commit 9e539c5b6d9c ("netfilter: nf_tables: disable expression
reduction infra") this is unused.

Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index 5e49619ae49c69e29b8cae5d355bda8517a67efd..b092e57d3c75a726cf60364d743f10860aa05a32 100644 (file)
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -1939,11 +1939,6 @@ static inline u64 nft_net_tstamp(const struct net *net)
 #define __NFT_REDUCE_READONLY  1UL
 #define NFT_REDUCE_READONLY    (void *)__NFT_REDUCE_READONLY
 
-static inline bool nft_reduce_is_readonly(const struct nft_expr *expr)
-{
-       return expr->ops->reduce == NFT_REDUCE_READONLY;
-}
-
 void nft_reg_track_update(struct nft_regs_track *track,
                          const struct nft_expr *expr, u8 dreg, u8 len);
 void nft_reg_track_cancel(struct nft_regs_track *track, u8 dreg, u8 len);