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serial: mxs-auart: Check for platform_get_irq() error

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We should check whether platform_get_irq() failed, and in the case of error
this needs to be propagated.

Signed-off-by: Fabio Estevam <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Fabio Estevam 2015-01-14 14:39:08 -02:00 • committed by Greg Kroah-Hartman
commit 99c932c26d
1 changed files with 3 additions and 0 deletions
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3
drivers/tty/serial/mxs-auart.c
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@ -1265,6 +1265,9 @@ static int mxs_auart_probe(struct platform_device *pdev)
s->mctrl_prev = 0;
irq = platform_get_irq(pdev, 0);
if (irq < 0)
return irq;
s->port.irq = irq;
ret = devm_request_irq(&pdev->dev, irq, mxs_auart_irq_handle, 0,
dev_name(&pdev->dev), s);