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>

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;
                 }