diff options
| -rw-r--r-- | net/key/af_key.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/net/key/af_key.c b/net/key/af_key.c index 4744b1f6372f..e2aacf0ba013 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -3019,12 +3019,11 @@ static int pfkey_send_policy_notify(struct xfrm_policy *xp, int dir, struct km_e static u32 get_acqseq(void) { u32 res; - static u32 acqseq; - static DEFINE_SPINLOCK(acqseq_lock); + static atomic_t acqseq; - spin_lock_bh(&acqseq_lock); - res = (++acqseq ? : ++acqseq); - spin_unlock_bh(&acqseq_lock); + do { + res = atomic_inc_return(&acqseq); + } while (!res); return res; } |