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-rw-r--r--common/resource.c2
-rw-r--r--drivers/serial/serial_ns16550.c4
2 files changed, 3 insertions, 3 deletions
diff --git a/common/resource.c b/common/resource.c
index fd04f26f78..e4bbe15fd7 100644
--- a/common/resource.c
+++ b/common/resource.c
@@ -146,7 +146,7 @@ struct resource *request_ioport_region(const char *name,
res = __request_region(&ioport_resource, name, start, end);
if (IS_ERR(res))
- return NULL;
+ return ERR_CAST(res);
return res;
}
diff --git a/drivers/serial/serial_ns16550.c b/drivers/serial/serial_ns16550.c
index 78a674a823..4ca74446b3 100644
--- a/drivers/serial/serial_ns16550.c
+++ b/drivers/serial/serial_ns16550.c
@@ -353,8 +353,8 @@ static int ns16550_init_ioport(struct device_d *dev, struct ns16550_priv *priv)
return PTR_ERR(res);
res = request_ioport_region(dev_name(dev), res->start, res->end);
- if (!res)
- return -ENODEV;
+ if (IS_ERR(res))
+ return PTR_ERR(res);
priv->iobase = res->start;