diff options
| -rw-r--r-- | net/xfrm/xfrm_state.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index f50ee9badf47..96f2088e7448 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -1462,12 +1462,12 @@ EXPORT_SYMBOL(xfrm_find_acq_byseq); u32 xfrm_get_acqseq(void) { u32 res; - static u32 acqseq; - static DEFINE_SPINLOCK(acqseq_lock); + static atomic_t acqseq; + + do { + res = atomic_inc_return(&acqseq); + } while (!res); - spin_lock_bh(&acqseq_lock); - res = (++acqseq ? : ++acqseq); - spin_unlock_bh(&acqseq_lock); return res; } EXPORT_SYMBOL(xfrm_get_acqseq); |