diff options
Diffstat (limited to 'net/netfilter/nft_limit.c')
| -rw-r--r-- | net/netfilter/nft_limit.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/net/netfilter/nft_limit.c b/net/netfilter/nft_limit.c index c6baf412236d..18dd57a52651 100644 --- a/net/netfilter/nft_limit.c +++ b/net/netfilter/nft_limit.c @@ -17,9 +17,8 @@ #include <linux/netfilter/nf_tables.h> #include <net/netfilter/nf_tables.h> -static DEFINE_SPINLOCK(limit_lock); - struct nft_limit { + spinlock_t lock; u64 last; u64 tokens; u64 tokens_max; @@ -34,7 +33,7 @@ static inline bool nft_limit_eval(struct nft_limit *limit, u64 cost) u64 now, tokens; s64 delta; - spin_lock_bh(&limit_lock); + spin_lock_bh(&limit->lock); now = ktime_get_ns(); tokens = limit->tokens + now - limit->last; if (tokens > limit->tokens_max) @@ -44,11 +43,11 @@ static inline bool nft_limit_eval(struct nft_limit *limit, u64 cost) delta = tokens - cost; if (delta >= 0) { limit->tokens = delta; - spin_unlock_bh(&limit_lock); + spin_unlock_bh(&limit->lock); return limit->invert; } limit->tokens = tokens; - spin_unlock_bh(&limit_lock); + spin_unlock_bh(&limit->lock); return !limit->invert; } @@ -86,6 +85,7 @@ static int nft_limit_init(struct nft_limit *limit, limit->invert = true; } limit->last = ktime_get_ns(); + spin_lock_init(&limit->lock); return 0; } |