Re: [PATCH v3 3/3] PCI: rzg3s: Fix IRQ domain initialization error handling

[sashiko-bot@kernel.org]

> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> 
> rzg3s_pcie_init_irqdomain() installs chained handlers for the INTx
> parent interrupts before creating the INTx irqdomain and initializing
> MSI support.
> 
> If any subsequent step fails, such as obtaining an INTx IRQ,
> creating the irqdomain, or initializing MSI, the error path returns
> without removing any chained handlers that were already installed.
> This leaves stale handler and data pointers attached to the parent
> interrupts.
> 
> Add a helper to tear down the INTx IRQ setup, including removing the IRQ
> domain and clearing the chained handlers. Use it to unwind partially
> completed initialization and from the normal IRQ domain teardown path.
> 
> Fixes: 7ef502fb35b28 ("PCI: Add Renesas RZ/G3S host controller driver")
> Cc: stable@vger.kernel.org
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Sashiko has reviewed this patch and found no issues. It looks great!

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Sashiko AI review · https://sashiko.dev/#/patchset/20260811200013.185956-1-prabhakar.mahadev-lad.rj@bp.renesas.com?part=3