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Input: keyboard, serio - simplify use of devm_ioremap_resource

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Remove unneeded error handling on the result of a call to
platform_get_resource when the value is passed to devm_ioremap_resource.

Move the call to platform_get_resource adjacent to the call to
devm_ioremap_resource to make the connection between them more clear.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression pdev,res,n,e,e1;
expression ret != 0;
identifier l;
@@

- res = platform_get_resource(pdev, IORESOURCE_MEM, n);
  ... when != res
- if (res == NULL) { ... \(goto l;\|return ret;\) }
  ... when != res
+ res = platform_get_resource(pdev, IORESOURCE_MEM, n);
  e = devm_ioremap_resource(e1, res);
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Julia Lawall
2013-08-15 00:08:17 -07:00
committed by Dmitry Torokhov
parent eacd0c4796
commit ef0aca7f2f
5 changed files with 4 additions and 27 deletions
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7
drivers/input/keyboard/nspire-keypad.c
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@@ -171,12 +171,6 @@ static int nspire_keypad_probe(struct platform_device *pdev)
return -EINVAL;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "missing platform resources\n");
return -EINVAL;
}
keypad = devm_kzalloc(&pdev->dev, sizeof(struct nspire_keypad),
GFP_KERNEL);
if (!keypad) {
@@ -208,6 +202,7 @@ static int nspire_keypad_probe(struct platform_device *pdev)
return PTR_ERR(keypad->clk);
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
keypad->reg_base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(keypad->reg_base))
return PTR_ERR(keypad->reg_base);