PCI core may return positive codes for the specific errors.
There is a special API to convert them to negative stanrard ones.
Use that API to avoid returning positive values as error codes.
Fixes: f7ce07062988 ("serial: exar: add CTI specific setup code")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/tty/serial/8250/8250_exar.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
index 5e42558cbb01..9930668610ca 100644
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -1162,12 +1162,12 @@ static int cti_board_init_fpga(struct exar8250 *priv, struct pci_dev *pcidev)
// Enable external interrupts in special cfg space register
ret = pci_read_config_word(pcidev, CTI_FPGA_CFG_INT_EN_REG, &cfg_val);
if (ret)
- return ret;
+ return pcibios_err_to_errno(ret);
cfg_val |= CTI_FPGA_CFG_INT_EN_EXT_BIT;
ret = pci_write_config_word(pcidev, CTI_FPGA_CFG_INT_EN_REG, cfg_val);
if (ret)
- return ret;
+ return pcibios_err_to_errno(ret);
// RS485 gate needs to be enabled; otherwise RTS/CTS will not work
exar_write_reg(priv, CTI_FPGA_RS485_IO_REG, 0x01);
--
2.43.0.rc1.1336.g36b5255a03ac