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path: root/drivers/serial/serial_ns16550.c
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Diffstat (limited to 'drivers/serial/serial_ns16550.c')
-rw-r--r--drivers/serial/serial_ns16550.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/serial/serial_ns16550.c b/drivers/serial/serial_ns16550.c
index dd0986c326..78a674a823 100644
--- a/drivers/serial/serial_ns16550.c
+++ b/drivers/serial/serial_ns16550.c
@@ -321,6 +321,8 @@ static int ns16550_init_iomem(struct device_d *dev, struct ns16550_priv *priv)
return PTR_ERR(res);
priv->mmiobase = dev_request_mem_region(dev, 0);
+ if (IS_ERR(priv->mmiobase))
+ return PTR_ERR(priv->mmiobase);
width = res->flags & IORESOURCE_MEM_TYPE_MASK;
switch (width) {