RDMA/odp: Fix leaking the tgid for implicit ODP

The tgid used to be part of ib_umem_free_notifier(), when it was reworked
it got moved to release, but it should have been unconditional as all umem
alloc paths get the tgid.

As is, creating an implicit ODP will leak the tgid reference.

Link: https://lore.kernel.org/r/[email protected]
Cc: [email protected]
Fixes: f25a546 ("RDMA/odp: Use mmu_interval_notifier_insert()")
Signed-off-by: Jason Gunthorpe <[email protected]>

Author: jgunthorpe

drivers/infiniband/core/umem_odp.c

@@ -275,8 +275,8 @@ void ib_umem_odp_release(struct ib_umem_odp *umem_odp)
 		mmu_interval_notifier_remove(&umem_odp->notifier);
 		kvfree(umem_odp->dma_list);
 		kvfree(umem_odp->page_list);
-		put_pid(umem_odp->tgid);
 	}
+	put_pid(umem_odp->tgid);
 	kfree(umem_odp);
 }
 EXPORT_SYMBOL(ib_umem_odp_release);