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Merge branch 'pci/controller/xilinx'

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- Fix IRQ domain leak when MSI allocation fails (Haotian Zhang)

* pci/controller/xilinx:
  PCI: xilinx: Fix INTx IRQ domain leak in error paths
This commit is contained in:
Bjorn Helgaas
2026-02-06 17:09:52 -06:00
parent bf1676e972 f42b3c053b
commit f4e40035d7
1 changed files with 6 additions and 3 deletions
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9
drivers/pci/controller/pcie-xilinx.c
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@@ -302,9 +302,10 @@ static int xilinx_allocate_msi_domains(struct xilinx_pcie *pcie)
return 0;
}
static void xilinx_free_msi_domains(struct xilinx_pcie *pcie)
static void xilinx_free_irq_domains(struct xilinx_pcie *pcie)
{
irq_domain_remove(pcie->msi_domain);
irq_domain_remove(pcie->leg_domain);
}
/* INTx Functions */
@@ -480,8 +481,10 @@ static int xilinx_pcie_init_irq_domain(struct xilinx_pcie *pcie)
phys_addr_t pa = ALIGN_DOWN(virt_to_phys(pcie), SZ_4K);
ret = xilinx_allocate_msi_domains(pcie);
if (ret)
if (ret) {
irq_domain_remove(pcie->leg_domain);
return ret;
}
pcie_write(pcie, upper_32_bits(pa), XILINX_PCIE_REG_MSIBASE1);
pcie_write(pcie, lower_32_bits(pa), XILINX_PCIE_REG_MSIBASE2);
@@ -600,7 +603,7 @@ static int xilinx_pcie_probe(struct platform_device *pdev)
err = pci_host_probe(bridge);
if (err)
xilinx_free_msi_domains(pcie);
xilinx_free_irq_domains(pcie);
return err;
}