On Mon, 16 Nov 2020 21:50:23 +0800 Wang Hai wrote: > > > Fix to return a negative error code from the error handling > case instead of 0, as done elsewhere in this function. good catch. > > Fixes: 07940c369a6b ("PCI: dwc: Fix MSI page leakage in suspend/resume") > Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> > Signed-off-by: Wang Hai <wanghai38@xxxxxxxxxx> > --- > drivers/pci/controller/dwc/pcie-designware-host.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c > index 44c2a6572199..7b3c91c6ae02 100644 > --- a/drivers/pci/controller/dwc/pcie-designware-host.c > +++ b/drivers/pci/controller/dwc/pcie-designware-host.c > @@ -395,6 +395,7 @@ int dw_pcie_host_init(struct pcie_port *pp) > if (dma_mapping_error(pci->dev, pp->msi_data)) { > dev_err(pci->dev, "Failed to map MSI data\n"); > pp->msi_data = 0; > + ret = -ENOMEM; what about use the return value of dma_maping_error()? I.E ret = dma_mapping_error() if (ret) { .... } > goto err_free_msi; > } > } else { > -- > 2.17.1 >