Re: [PATCH v4 1/2] device property: Add scoped fwnode child node iterators

From: Wolfram Sang

Date: Thu Sep 25 2025 - 16:43:24 EST


On Tue, Sep 02, 2025 at 03:04:39PM -0400, Jean-François Lessard wrote:
> Add scoped versions of fwnode child node iterators that automatically
> handle reference counting cleanup using the __free() attribute:
>
> - fwnode_for_each_child_node_scoped()
> - fwnode_for_each_available_child_node_scoped()
>
> These macros follow the same pattern as existing scoped iterators in the
> kernel, ensuring fwnode references are automatically released when the
> iterator variable goes out of scope. This prevents resource leaks and
> eliminates the need for manual cleanup in error paths.
>
> The implementation mirrors the non-scoped variants but uses
> __free(fwnode_handle) for automatic resource management, providing a
> safer and more convenient interface for drivers iterating over firmware
> node children.
>
> Signed-off-by: Jean-François Lessard <jefflessard3@xxxxxxxxx>

Applied to for-next, thanks!

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