ion: use list_for_each_entry_safe in ion_vma_close

diff --git a/drivers/gpu/ion/ion.c b/drivers/gpu/ion/ion.c
index 4053a0b35ba519e3a78cd27ec315c118de3aa581..b76d61fe8921a2298e85b773d647909c9d75a2ae 100755 (executable)
--- a/drivers/gpu/ion/ion.c
+++ b/drivers/gpu/ion/ion.c
@@ -809,7 +809,7 @@ static void ion_vma_close(struct vm_area_struct *vma)
        struct ion_handle *handle = vma->vm_private_data;
        struct ion_buffer *buffer = vma->vm_file->private_data;
        struct ion_client *client;
-       struct ion_user_map_addr *map = NULL;
+       struct ion_user_map_addr *map = NULL, *tmp;
 
        pr_debug("%s: %d\n", __func__, __LINE__);
        /* this indicates the client is gone, nothing to do here */
@@ -831,7 +831,7 @@ static void ion_vma_close(struct vm_area_struct *vma)
                 atomic_read(&handle->ref.refcount),
                 atomic_read(&buffer->ref.refcount));
        mutex_lock(&buffer->lock);
-       list_for_each_entry(map, &buffer->map_addr, list)
+       list_for_each_entry_safe(map, tmp, &buffer->map_addr, list)
                if(map->vaddr == vma->vm_start){
                        list_del(&map->list);
                         kfree(map);