From cea896238fbfdbce254f51fc8fd78c59df50081f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Wed, 20 Apr 2011 09:44:44 +0200
Subject: [PATCH] driver core/platform_device_add_resources: set resource to
NULL if !res
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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>
---
drivers/base/platform.c | 19 +++++++++----------
1 file changed, 9 insertions(+), 10 deletions(-)
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 58ad8e8ad7a3..667f282f8b7b 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -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);
--
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