diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/infiniband/core/umem.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c index b4aec5103c9..d40652a8015 100644 --- a/drivers/infiniband/core/umem.c +++ b/drivers/infiniband/core/umem.c @@ -225,13 +225,15 @@ void ib_umem_release(struct ib_umem *umem) * up here and not be able to take the mmap_sem. In that case * we defer the vm_locked accounting to the system workqueue. */ - if (context->closing && !down_write_trylock(&mm->mmap_sem)) { - INIT_WORK(&umem->work, ib_umem_account); - umem->mm = mm; - umem->diff = diff; - - schedule_work(&umem->work); - return; + if (context->closing) { + if (!down_write_trylock(&mm->mmap_sem)) { + INIT_WORK(&umem->work, ib_umem_account); + umem->mm = mm; + umem->diff = diff; + + schedule_work(&umem->work); + return; + } } else down_write(&mm->mmap_sem); |