PCI: mediatek: Fix IRQ domain leak when MSI allocation fails

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[ Upstream commit 7f0cdcddf8 ]

In mtk_pcie_init_irq_domain(), if mtk_pcie_allocate_msi_domains()
fails after port->irq_domain has been successfully created via
irq_domain_create_linear(), the function returns directly without
cleaning up the allocated IRQ domain, resulting in a resource leak.

Add irq_domain_remove() call in the error path to properly release the
INTx IRQ domain before returning the error.

Fixes: 43e6409db6 ("PCI: mediatek: Add MSI support for MT2712 and MT7622")
Signed-off-by: Haotian Zhang <vulab@iscas.ac.cn>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://patch.msgid.link/20251119023308.476-1-vulab@iscas.ac.cn
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Haotian Zhang 2025-11-19 10:33:08 +08:00 • committed by Sasha Levin

parent d8308dff30

commit e44b390e01

1 changed files with 3 additions and 1 deletions

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drivers/pci/controller/pcie-mediatek.c

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