When rcu_dereference_bh_nfnl() macro would be defined on the target
system it will accept pointer and subsystem id.
Check if rcu_dereference_bh_nfnl() is defined and make it accepting two
arguments.
Ported from a patch proposed by Sergey Popovich <popovich_sergei@xxxxxxx>.
Suggested-by: Sergey Popovich <popovich_sergei@xxxxxxx>
Signed-off-by: Jozsef Kadlecsik <kadlec@xxxxxxxxxxxxxxxxx>
---
net/netfilter/ipset/ip_set_hash_gen.h | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/net/netfilter/ipset/ip_set_hash_gen.h b/net/netfilter/ipset/ip_set_hash_gen.h
index d32fd6b..bc54be4 100644
--- a/net/netfilter/ipset/ip_set_hash_gen.h
+++ b/net/netfilter/ipset/ip_set_hash_gen.h
@@ -17,7 +17,9 @@
#define ipset_dereference_protected(p, set) \
__ipset_dereference_protected(p, spin_is_locked(&(set)->lock))
-#define rcu_dereference_bh_nfnl(p) rcu_dereference_bh_check(p, 1)
+#ifndef rcu_dereference_bh_nfnl
+#define rcu_dereference_bh_nfnl(p, ss) rcu_dereference_bh_check(p, 1)
+#endif
/* Hashing which uses arrays to resolve clashing. The hash table is resized
* (doubled) when searching becomes too long.
@@ -580,7 +582,7 @@ struct htype {
return -ENOMEM;
#endif
rcu_read_lock_bh();
- orig = rcu_dereference_bh_nfnl(h->table);
+ orig = rcu_dereference_bh_nfnl(h->table, NFNL_SUBSYS_IPSET);
htable_bits = orig->htable_bits;
rcu_read_unlock_bh();
@@ -1061,7 +1063,7 @@ struct htype {
u8 htable_bits;
rcu_read_lock_bh();
- t = rcu_dereference_bh_nfnl(h->table);
+ t = rcu_dereference_bh_nfnl(h->table, NFNL_SUBSYS_IPSET);
memsize = mtype_ahash_memsize(h, t, NLEN(set->family), set->dsize);
htable_bits = t->htable_bits;
rcu_read_unlock_bh();
@@ -1103,7 +1105,7 @@ struct htype {
if (start) {
rcu_read_lock_bh();
- t = rcu_dereference_bh_nfnl(h->table);
+ t = rcu_dereference_bh_nfnl(h->table, NFNL_SUBSYS_IPSET);
atomic_inc(&t->uref);
cb->args[IPSET_CB_PRIVATE] = (unsigned long)t;
rcu_read_unlock_bh();
--
1.8.5.1
--
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