Re: [PATCH] radix-tree: fix memory leak in radix_tree_insert

[Lizhi Xu]

On Tue, 12 Dec 2023 07:16:50 +0800, kernel test robot <lkp@xxxxxxxxx> wrote:
> kernel test robot noticed the following build warnings:
>    lib/radix-tree.c:558:24: sparse:     got struct xa_node [noderef] __rcu *parent
> >> lib/radix-tree.c:653:28: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct xa_node *pn @@     got struct xa_node [noderef] __rcu *parent @@
>    lib/radix-tree.c:653:28: sparse:     expected struct xa_node *pn
>   651			struct radix_tree_node *pn;
>   652			while (shift < mmshift && node) {
> > 653				pn = node->parent;
It can be clarified here that node->parent is the type just alloced as 
"struct radix_tree node *", so there is no need to use cast type conversion,  
Please ignore this warning.

BR,
Lizhi