Input: use resource_size when allocating resources

[cascardo/linux.git] / drivers / input / touchscreen / w90p910_ts.c

diff --git a/drivers/input/touchscreen/w90p910_ts.c b/drivers/input/touchscreen/w90p910_ts.c
index 6071f58..b3e782f 100644 (file)
--- a/drivers/input/touchscreen/w90p910_ts.c
+++ b/drivers/input/touchscreen/w90p910_ts.c
@@ -241,13 +241,13 @@ static int __devinit w90x900ts_probe(struct platform_device *pdev)
                goto fail1;
        }
 
-       if (!request_mem_region(res->start, res->end - res->start + 1,
+       if (!request_mem_region(res->start, resource_size(res),
                                pdev->name)) {
                err = -EBUSY;
                goto fail1;
        }
 
-       w90p910_ts->ts_reg = ioremap(res->start, res->end - res->start + 1);
+       w90p910_ts->ts_reg = ioremap(res->start, resource_size(res));
        if (!w90p910_ts->ts_reg) {
                err = -ENOMEM;
                goto fail2;
@@ -296,7 +296,7 @@ static int __devinit w90x900ts_probe(struct platform_device *pdev)
 
 fail4: free_irq(w90p910_ts->irq_num, w90p910_ts);
 fail3: iounmap(w90p910_ts->ts_reg);
-fail2: release_mem_region(res->start, res->end - res->start + 1);
+fail2: release_mem_region(res->start, resource_size(res));
 fail1: input_free_device(input_dev);
        kfree(w90p910_ts);
        return err;
@@ -312,7 +312,7 @@ static int __devexit w90x900ts_remove(struct platform_device *pdev)
        iounmap(w90p910_ts->ts_reg);
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       release_mem_region(res->start, res->end - res->start + 1);
+       release_mem_region(res->start, resource_size(res));
 
        input_unregister_device(w90p910_ts->input);
        kfree(w90p910_ts);