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ACPI / LPSS: Fix up acpi_lpss_create_device()

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Fix a return value (which should be a negative error code) and a
memory leak (the list allocated by acpi_dev_get_resources() needs
to be freed on ioremap() errors too) in acpi_lpss_create_device()
introduced by commit 4483d59e29 'ACPI / LPSS: check the result
of ioremap()'.

Fixes: 4483d59e29 'ACPI / LPSS: check the result of ioremap()'
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: 4.0+ <stable@vger.kernel.org> # 4.0+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rafael J. Wysocki 2015-07-07 00:31:47 +02:00
parent d770e558e2
commit d3e13ff3c1
1 changed files with 5 additions and 2 deletions
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7
drivers/acpi/acpi_lpss.c
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@ -352,13 +352,16 @@ static int acpi_lpss_create_device(struct acpi_device *adev,
pdata->mmio_size = resource_size(rentry->res);
pdata->mmio_base = ioremap(rentry->res->start,
pdata->mmio_size);
if (!pdata->mmio_base)
goto err_out;
break;
}
acpi_dev_free_resource_list(&resource_list);
if (!pdata->mmio_base) {
ret = -ENOMEM;
goto err_out;
}
pdata->dev_desc = dev_desc;
if (dev_desc->setup)