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-rw-r--r--drivers/tty/serial/8250/8250_pci.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index a795bd971ea..26b9dc012ed 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -1172,6 +1172,8 @@ pci_xr17v35x_setup(struct serial_private *priv,
u8 __iomem *p;
p = pci_ioremap_bar(priv->dev, 0);
+ if (p == NULL)
+ return -ENOMEM;
port->port.flags |= UPF_EXAR_EFR;