When trying to access non-existent/unsupported PCI devices in imx_pcie_read_config(), when imx_pcie_addr_valid() fails it returns error code and fills in the result with 0xffffffff manually. But it really should return zero to upper layer codes.
Reported-by: Fabio Estevam fabio.estevam@nxp.com Signed-off-by: Bin Meng bmeng.cn@gmail.com Tested-by: Fabio Estevam fabio.estevam@nxp.com ---
drivers/pci/pcie_imx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/pcie_imx.c b/drivers/pci/pcie_imx.c index f1e189e..c14bb0a 100644 --- a/drivers/pci/pcie_imx.c +++ b/drivers/pci/pcie_imx.c @@ -381,7 +381,7 @@ static int imx_pcie_read_config(struct pci_controller *hose, pci_dev_t d, ret = imx_pcie_addr_valid(d); if (ret) { *val = 0xffffffff; - return ret; + return 0; }
va_address = get_bus_address(d, where);