diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/infiniband/core/fmr_pool.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/drivers/infiniband/core/fmr_pool.c b/drivers/infiniband/core/fmr_pool.c index 86a3b2d401d..8926a2bd4a8 100644 --- a/drivers/infiniband/core/fmr_pool.c +++ b/drivers/infiniband/core/fmr_pool.c @@ -394,20 +394,12 @@ EXPORT_SYMBOL(ib_destroy_fmr_pool); */ int ib_flush_fmr_pool(struct ib_fmr_pool *pool) { - int serial; - - atomic_inc(&pool->req_ser); - /* - * It's OK if someone else bumps req_ser again here -- we'll - * just wait a little longer. - */ - serial = atomic_read(&pool->req_ser); + int serial = atomic_inc_return(&pool->req_ser); wake_up_process(pool->thread); if (wait_event_interruptible(pool->force_wait, - atomic_read(&pool->flush_ser) - - atomic_read(&pool->req_ser) >= 0)) + atomic_read(&pool->flush_ser) - serial >= 0)) return -EINTR; return 0; |