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driver core/platform_device_add_resources: set resource to NULL if !res 

This makes the res = NULL case more consistant to the res != NULL case
as now both overwrite pdev->resource.

Reviewed-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Uwe Kleine-König 2011-04-20 09:44:44 +02:00 committed by Greg Kroah-Hartman
parent 251e031d13
commit cea896238f
1 changed files with 9 additions and 10 deletions
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19
drivers/base/platform.c
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@ -192,18 +192,17 @@ EXPORT_SYMBOL_GPL(platform_device_alloc);
int platform_device_add_resources(struct platform_device *pdev,
const struct resource *res, unsigned int num)
{
struct resource *r;
struct resource *r = NULL;
if (!res)
return 0;
r = kmemdup(res, sizeof(struct resource) * num, GFP_KERNEL);
if (r) {
pdev->resource = r;
pdev->num_resources = num;
return 0;
if (res) {
r = kmemdup(res, sizeof(struct resource) * num, GFP_KERNEL);
if (!r)
return -ENOMEM;
}
return -ENOMEM;
pdev->resource = r;
pdev->num_resources = num;
return 0;
}
EXPORT_SYMBOL_GPL(platform_device_add_resources);