diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/netfilter/xt_quota.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/net/netfilter/xt_quota.c b/net/netfilter/xt_quota.c index b4f7dfea5980..304b1fda1a0d 100644 --- a/net/netfilter/xt_quota.c +++ b/net/netfilter/xt_quota.c @@ -11,7 +11,8 @@ #include <linux/netfilter/xt_quota.h> struct xt_quota_priv { - uint64_t quota; + spinlock_t lock; + uint64_t quota; }; MODULE_LICENSE("GPL"); @@ -20,8 +21,6 @@ MODULE_DESCRIPTION("Xtables: countdown quota match"); MODULE_ALIAS("ipt_quota"); MODULE_ALIAS("ip6t_quota"); -static DEFINE_SPINLOCK(quota_lock); - static bool quota_mt(const struct sk_buff *skb, struct xt_action_param *par) { @@ -29,7 +28,7 @@ quota_mt(const struct sk_buff *skb, struct xt_action_param *par) struct xt_quota_priv *priv = q->master; bool ret = q->flags & XT_QUOTA_INVERT; - spin_lock_bh("a_lock); + spin_lock_bh(&priv->lock); if (priv->quota >= skb->len) { priv->quota -= skb->len; ret = !ret; @@ -39,7 +38,7 @@ quota_mt(const struct sk_buff *skb, struct xt_action_param *par) } /* Copy quota back to matchinfo so that iptables can display it */ q->quota = priv->quota; - spin_unlock_bh("a_lock); + spin_unlock_bh(&priv->lock); return ret; } @@ -55,6 +54,7 @@ static int quota_mt_check(const struct xt_mtchk_param *par) if (q->master == NULL) return -ENOMEM; + spin_lock_init(&q->master->lock); q->master->quota = q->quota; return 0; } |