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authorPatrick McHardy <kaber@trash.net>2015-04-11 02:27:29 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2015-04-13 16:25:50 +0200
commit27e6d2017abdfbdb8b790c34c93d65ee10ce2fc5 (patch)
treef6565eb45fba1427368254fe4d29e708082cf5ce /net/netfilter/nf_tables_api.c
parent58f40ab6e2427532881a79e139a4aaae7fbe1826 (diff)
netfilter: nf_tables: kill nft_validate_output_register()
All users of nft_validate_register_store() first invoke nft_validate_output_register(). There is in fact no use for using it on its own, so simplify the code by folding the functionality into nft_validate_register_store() and kill it. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/nf_tables_api.c')
-rw-r--r--net/netfilter/nf_tables_api.c23
1 files changed, 5 insertions, 18 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index c96070e237e7..f01e89fe3c35 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -4140,24 +4140,6 @@ int nft_validate_input_register(enum nft_registers reg)
EXPORT_SYMBOL_GPL(nft_validate_input_register);
/**
- * nft_validate_output_register - validate an expressions' output register
- *
- * @reg: the register number
- *
- * Validate that the output register is one of the general purpose
- * registers or the verdict register.
- */
-int nft_validate_output_register(enum nft_registers reg)
-{
- if (reg < NFT_REG_VERDICT)
- return -EINVAL;
- if (reg > NFT_REG_MAX)
- return -ERANGE;
- return 0;
-}
-EXPORT_SYMBOL_GPL(nft_validate_output_register);
-
-/**
* nft_validate_register_store - validate an expressions' register store
*
* @ctx: context of the expression performing the load
@@ -4198,10 +4180,15 @@ int nft_validate_register_store(const struct nft_ctx *ctx,
return 0;
default:
+ if (reg < NFT_REG_1)
+ return -EINVAL;
+ if (reg > NFT_REG_MAX)
+ return -ERANGE;
if (len == 0)
return -EINVAL;
if (len > FIELD_SIZEOF(struct nft_data, data))
return -ERANGE;
+
if (data != NULL && type != NFT_DATA_VALUE)
return -EINVAL;
return 0;