From aa49d8e8b2dfc112f7de9c58698ae06b2101c73c Mon Sep 17 00:00:00 2001 From: Anson Huang Date: Mon, 11 May 2020 15:09:56 +0800 Subject: tty: serial: imx: Add return value check for platform_get_irq() RX irq is required, so add return value check for platform_get_irq(). Signed-off-by: Anson Huang Link: https://lore.kernel.org/r/1589180996-618-1-git-send-email-Anson.Huang@nxp.com Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/imx.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index f4d68109bc8b..f4023d9d8e7a 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -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); -- cgit v1.2.3