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authorJan Engelhardt <jengelh@medozas.de>2009-07-07 22:54:30 +0400
committerJan Engelhardt <jengelh@medozas.de>2010-05-11 20:35:27 +0400
commitb4ba26119b06052888696491f614201817491a0d (patch)
treed6dc2a4e0f78641b5b64a1728322c81cbad09974 /net/bridge
parent62fc8051083a334578c3f4b3488808f210b4565f (diff)
downloadlinux-b4ba26119b06052888696491f614201817491a0d.tar.xz
netfilter: xtables: change hotdrop pointer to direct modification
Since xt_action_param is writable, let's use it. The pointer to 'bool hotdrop' always worried (8 bytes (64-bit) to write 1 byte!). Surprisingly results in a reduction in size: text data bss filename 5457066 692730 357892 vmlinux.o-prev 5456554 692730 357892 vmlinux.o Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/netfilter/ebtables.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 290d43541d46..59ca00e40dec 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -186,13 +186,12 @@ unsigned int ebt_do_table (unsigned int hook, struct sk_buff *skb,
struct ebt_entries *chaininfo;
const char *base;
const struct ebt_table_info *private;
- bool hotdrop = false;
struct xt_action_param acpar;
acpar.family = NFPROTO_BRIDGE;
acpar.in = in;
acpar.out = out;
- acpar.hotdrop = &hotdrop;
+ acpar.hotdrop = false;
acpar.hooknum = hook;
read_lock_bh(&table->lock);
@@ -216,7 +215,7 @@ unsigned int ebt_do_table (unsigned int hook, struct sk_buff *skb,
if (EBT_MATCH_ITERATE(point, ebt_do_match, skb, &acpar) != 0)
goto letscontinue;
- if (hotdrop) {
+ if (acpar.hotdrop) {
read_unlock_bh(&table->lock);
return NF_DROP;
}