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netfilter: ebt: Use new helper ebt_invalid_target to check target

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Use the new helper function ebt_invalid_target instead of the old
macro INVALID_TARGET and other duplicated codes to enhance the readability.

Signed-off-by: Gao Feng <gfree.wind@vip.163.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Gao Feng
2017-05-31 16:55:43 +08:00
committed by Pablo Neira Ayuso
parent 7866cc57b5
commit e15b9c50c4
5 changed files with 4 additions and 6 deletions
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net/bridge/netfilter/ebt_dnat.c
+1 -1
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@@ -61,7 +61,7 @@ static int ebt_dnat_tg_check(const struct xt_tgchk_param *par)
(strcmp(par->table, "broute") != 0 ||
hook_mask & ~(1 << NF_BR_BROUTING)))
return -EINVAL;
if (INVALID_TARGET)
if (ebt_invalid_target(info->target))
return -EINVAL;
return 0;
}
net/bridge/netfilter/ebt_mark.c
+1 -1
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@@ -44,7 +44,7 @@ static int ebt_mark_tg_check(const struct xt_tgchk_param *par)
tmp = info->target | ~EBT_VERDICT_BITS;
if (BASE_CHAIN && tmp == EBT_RETURN)
return -EINVAL;
if (tmp < -NUM_STANDARD_TARGETS || tmp >= 0)
if (ebt_invalid_target(tmp))
return -EINVAL;
tmp = info->target & ~EBT_VERDICT_BITS;
if (tmp != MARK_SET_VALUE && tmp != MARK_OR_VALUE &&
net/bridge/netfilter/ebt_redirect.c
+1 -1
View File
@@ -47,7 +47,7 @@ static int ebt_redirect_tg_check(const struct xt_tgchk_param *par)
(strcmp(par->table, "broute") != 0 ||
hook_mask & ~(1 << NF_BR_BROUTING)))
return -EINVAL;
if (INVALID_TARGET)
if (ebt_invalid_target(info->target))
return -EINVAL;
return 0;
}
net/bridge/netfilter/ebt_snat.c
+1 -1
View File
@@ -51,7 +51,7 @@ static int ebt_snat_tg_check(const struct xt_tgchk_param *par)
if (BASE_CHAIN && tmp == EBT_RETURN)
return -EINVAL;
if (tmp < -NUM_STANDARD_TARGETS || tmp >= 0)
if (ebt_invalid_target(tmp))
return -EINVAL;
tmp = info->target | EBT_VERDICT_BITS;
if ((tmp & ~NAT_ARP_BIT) != ~NAT_ARP_BIT)