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path: root/drivers/rtc/rtc-ds1742.c
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Diffstat (limited to 'drivers/rtc/rtc-ds1742.c')
-rw-r--r--drivers/rtc/rtc-ds1742.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c
index 042630c90dd3..d84a448dd754 100644
--- a/drivers/rtc/rtc-ds1742.c
+++ b/drivers/rtc/rtc-ds1742.c
@@ -173,7 +173,7 @@ static int __devinit ds1742_rtc_probe(struct platform_device *pdev)
pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return -ENOMEM;
- pdata->size = res->end - res->start + 1;
+ pdata->size = resource_size(res);
if (!devm_request_mem_region(&pdev->dev, res->start, pdata->size,
pdev->name))
return -EBUSY;