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resource: Let request_ioport_region return an error pointer 

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2014-09-12 09:22:40 +02:00
parent ed6e965824
commit d5a82eb095
2 changed files with 3 additions and 3 deletions
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2
common/resource.c
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@ -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;
}

4
drivers/serial/serial_ns16550.c
View File

@ -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;