Re: [PATCH] serial/sunsu: fix refcount leak

From: David Miller
Date: Fri Dec 21 2018 - 14:25:25 EST


From: Yangtao Li <tiny.windzz@xxxxxxxxx>
Date: Wed, 12 Dec 2018 11:01:45 -0500

> The function of_find_node_by_path() acquires a reference to the node
> returned by it and that reference needs to be dropped by its caller.
>
> su_get_type() doesn't do that. The match node are used as an identifier
> to compare against the current node, so we can directly drop the refcount
> after getting the node from the path as it is not used as pointer.
>
> Fix this by use a single variable and drop the refcount right after
> of_find_node_by_path().
>
> Signed-off-by: Yangtao Li <tiny.windzz@xxxxxxxxx>

Applied.