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authorGao Feng <gfree.wind@vip.163.com>2017-05-31 16:55:43 +0800
committerPablo Neira Ayuso <pablo@netfilter.org>2017-06-19 19:09:19 +0200
commite15b9c50c4555e30be3c4f26aab7aeb10aee7aa6 (patch)
treec81500d3a9649ce0c42c033bbf34b25d10c4affd /net
parent7866cc57b51c1e118e5d78d1a8f721f378eec5c4 (diff)
netfilter: ebt: Use new helper ebt_invalid_target to check target
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>
Diffstat (limited to 'net')
-rw-r--r--net/bridge/netfilter/ebt_dnat.c2
-rw-r--r--net/bridge/netfilter/ebt_mark.c2
-rw-r--r--net/bridge/netfilter/ebt_redirect.c2
-rw-r--r--net/bridge/netfilter/ebt_snat.c2
4 files changed, 4 insertions, 4 deletions
diff --git a/net/bridge/netfilter/ebt_dnat.c b/net/bridge/netfilter/ebt_dnat.c
index e0bb624c3845..dfc86a0199da 100644
--- a/net/bridge/netfilter/ebt_dnat.c
+++ b/net/bridge/netfilter/ebt_dnat.c
@@ -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;
}
diff --git a/net/bridge/netfilter/ebt_mark.c b/net/bridge/netfilter/ebt_mark.c
index 66697cbd0a8b..19f0f9592d32 100644
--- a/net/bridge/netfilter/ebt_mark.c
+++ b/net/bridge/netfilter/ebt_mark.c
@@ -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 &&
diff --git a/net/bridge/netfilter/ebt_redirect.c b/net/bridge/netfilter/ebt_redirect.c
index 8d2a85e0594e..a7223eaf490b 100644
--- a/net/bridge/netfilter/ebt_redirect.c
+++ b/net/bridge/netfilter/ebt_redirect.c
@@ -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;
}
diff --git a/net/bridge/netfilter/ebt_snat.c b/net/bridge/netfilter/ebt_snat.c
index e56ccd060d26..11cf9e9e9222 100644
--- a/net/bridge/netfilter/ebt_snat.c
+++ b/net/bridge/netfilter/ebt_snat.c
@@ -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)