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path: root/drivers/infiniband/core/umem.c
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Diffstat (limited to 'drivers/infiniband/core/umem.c')
-rw-r--r--drivers/infiniband/core/umem.c16
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);