diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/infiniband/core/uverbs_main.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index b1f5334ff907..9aa7ffc1d12a 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -819,7 +819,7 @@ static void rdma_umap_open(struct vm_area_struct *vma) priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) goto out_unlock; - rdma_umap_priv_init(priv, vma); + rdma_umap_priv_init(priv, vma, opriv->entry); up_read(&ufile->hw_destroy_rwsem); return; @@ -850,6 +850,9 @@ static void rdma_umap_close(struct vm_area_struct *vma) * this point. */ mutex_lock(&ufile->umap_lock); + if (priv->entry) + rdma_user_mmap_entry_put(priv->entry); + list_del(&priv->list); mutex_unlock(&ufile->umap_lock); kfree(priv); @@ -950,6 +953,11 @@ void uverbs_user_mmap_disassociate(struct ib_uverbs_file *ufile) zap_vma_ptes(vma, vma->vm_start, vma->vm_end - vma->vm_start); + + if (priv->entry) { + rdma_user_mmap_entry_put(priv->entry); + priv->entry = NULL; + } } mutex_unlock(&ufile->umap_lock); skip_mm: |