Check the return value of ioremap_nocache to make sure we got a valid mapping. Signed-off-by: Aaron Sierra <asierra@xxxxxxxxxxx> --- drivers/tty/serial/8250/8250_pci.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index 2e8d8a4..e97eeda 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -757,6 +757,8 @@ pci_ni8430_setup(struct serial_private *priv, offset += idx * board->uart_offset; p = pci_ioremap_bar(dev, bar); + if (!p) + return -ENOMEM; /* enable the transceiver */ writeb(readb(p + offset + NI8430_PORTCON) | NI8430_PORTCON_TXVR_ENABLE, -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
