From: Anson Huang <Anson.Huang@nxp.com>
Date: Mon, 11 May 2020 15:09:56 +0800
Subject: tty: serial: imx: Add return value check for platform_get_irq()
Git-commit: aa49d8e8b2dfc112f7de9c58698ae06b2101c73c
Patch-mainline: v5.8-rc1
References: jsc#SLE-16106
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>
Acked-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
---
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);