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serial: bcm2835: fix unsigned int issue with irq

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Fixes error condition check when requesting the irq,
that would not trigger because of uart_port.irq being
defined as unsigned int.

Reported by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Martin Sperl 2016-02-09 11:47:16 +00:00 committed by Greg Kroah-Hartman
parent 0ab556c266
commit e1a7d24827
1 changed files with 5 additions and 5 deletions
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10
drivers/tty/serial/8250/8250_bcm2835aux.c
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@ -59,12 +59,12 @@ static int bcm2835aux_serial_probe(struct platform_device *pdev)
}
/* get the interrupt */
data->uart.port.irq = platform_get_irq(pdev, 0);
if (data->uart.port.irq < 0) {
dev_err(&pdev->dev, "irq not found - %i",
data->uart.port.irq);
return data->uart.port.irq;
ret = platform_get_irq(pdev, 0);
if (ret < 0) {
dev_err(&pdev->dev, "irq not found - %i", ret);
return ret;
}
data->uart.port.irq = ret;
/* map the main registers */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);