The subdrivers pass -ESOMETHING if they do not want the core to touch
MSI IRQ. dw_pcie_host_init() also checks if (msi_irq > 0) rather than
just if (msi_irq). So let's make dw_pcie_free_msi() also check that
msi_irq is greater than zero.
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Reviewed-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
drivers/pci/controller/dwc/pcie-designware-host.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c
index 9979302532b7..af91fe69f542 100644
--- a/drivers/pci/controller/dwc/pcie-designware-host.c
+++ b/drivers/pci/controller/dwc/pcie-designware-host.c
@@ -257,7 +257,7 @@ int dw_pcie_allocate_domains(struct pcie_port *pp)
static void dw_pcie_free_msi(struct pcie_port *pp)
{
- if (pp->msi_irq)
+ if (pp->msi_irq > 0)
irq_set_chained_handler_and_data(pp->msi_irq, NULL, NULL);
irq_domain_remove(pp->msi_domain);
--
2.35.1
