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serial: mxs-auart: Use devm_kzalloc()

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By using devm_kzalloc() we can have a shorter and cleaner code.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Fabio Estevam 2014-11-27 17:08:31 -02:00 committed by Greg Kroah-Hartman
parent 11387b0a46
commit 46778bcad7
1 changed files with 4 additions and 9 deletions
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13
drivers/tty/serial/mxs-auart.c
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@ -1231,7 +1231,7 @@ static int mxs_auart_probe(struct platform_device *pdev)
int ret = 0;
struct resource *r;
s = kzalloc(sizeof(struct mxs_auart_port), GFP_KERNEL);
s = devm_kzalloc(&pdev->dev, sizeof(*s), GFP_KERNEL);
if (!s)
return -ENOMEM;
@ -1239,7 +1239,7 @@ static int mxs_auart_probe(struct platform_device *pdev)
if (ret > 0)
s->port.line = pdev->id < 0 ? 0 : pdev->id;
else if (ret < 0)
goto out_free;
return ret;
if (of_id) {
pdev->id_entry = of_id->data;
@ -1247,10 +1247,8 @@ static int mxs_auart_probe(struct platform_device *pdev)
}
s->clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(s->clk)) {
ret = PTR_ERR(s->clk);
goto out_free;
}
if (IS_ERR(s->clk))
return PTR_ERR(s->clk);
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!r) {
@ -1310,8 +1308,6 @@ out_free_irq:
free_irq(s->irq, s);
out_free_clk:
clk_put(s->clk);
out_free:
kfree(s);
return ret;
}
@ -1326,7 +1322,6 @@ static int mxs_auart_remove(struct platform_device *pdev)
mxs_auart_free_gpio_irq(s);
clk_put(s->clk);
free_irq(s->irq, s);
kfree(s);
return 0;
}