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tty: serial: imx: Add return value check for platform_get_irq()

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RX irq is required, so add return value check for platform_get_irq().

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Link: https://lore.kernel.org/r/1589180996-618-1-git-send-email-Anson.Huang@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Anson Huang 2020-05-11 15:09:56 +08:00 committed by Greg Kroah-Hartman
parent 2463700739
commit aa49d8e8b2
1 changed files with 2 additions and 0 deletions
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2
drivers/tty/serial/imx.c
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@ -2252,6 +2252,8 @@ static int imx_uart_probe(struct platform_device *pdev)
return PTR_ERR(base);
rxirq = platform_get_irq(pdev, 0);
if (rxirq < 0)
return rxirq;
txirq = platform_get_irq_optional(pdev, 1);
rtsirq = platform_get_irq_optional(pdev, 2);