diff options
| -rw-r--r-- | drivers/iommu/iommufd/main.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/iommu/iommufd/main.c b/drivers/iommu/iommufd/main.c index 71135f0ec72d..53085d24ce4a 100644 --- a/drivers/iommu/iommufd/main.c +++ b/drivers/iommu/iommufd/main.c @@ -23,6 +23,7 @@ #include "iommufd_test.h" struct iommufd_object_ops { + void (*pre_destroy)(struct iommufd_object *obj); void (*destroy)(struct iommufd_object *obj); void (*abort)(struct iommufd_object *obj); }; @@ -160,6 +161,9 @@ static int iommufd_object_dec_wait_shortterm(struct iommufd_ctx *ictx, if (refcount_dec_and_test(&to_destroy->shortterm_users)) return 0; + if (iommufd_object_ops[to_destroy->type].pre_destroy) + iommufd_object_ops[to_destroy->type].pre_destroy(to_destroy); + if (wait_event_timeout(ictx->destroy_wait, refcount_read(&to_destroy->shortterm_users) == 0, msecs_to_jiffies(60000))) |