Re: [PATCH v2 1/2] of: of_node_get()/of_node_put() nodes held in phandle cache

2018-12-17 Thread Michael Ellerman
Hi Frank, frowand.l...@gmail.com writes: > From: Frank Rowand > > The phandle cache contains struct device_node pointers. The refcount > of the pointers was not incremented while in the cache, allowing use > after free error after kfree() of the node. Add the proper increment > and decrement of

[PATCH v2 1/2] of: of_node_get()/of_node_put() nodes held in phandle cache

2018-12-16 Thread frowand . list
From: Frank Rowand The phandle cache contains struct device_node pointers. The refcount of the pointers was not incremented while in the cache, allowing use after free error after kfree() of the node. Add the proper increment and decrement of the use count. Fixes: 0b3ce78e90fc ("of: cache phan