[PATCH] tty: serial: imx: Add return value check for platform_get_irq()
From: Anson Huang <hidden>
Date: 2020-05-11 07:19:21
Also in:
linux-serial, lkml
Subsystem:
the rest, tty layer and serial drivers · Maintainers:
Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby
RX irq is required, so add return value check for platform_get_irq(). Signed-off-by: Anson Huang <redacted> --- 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 f4d6810..f4023d9 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);
--
2.7.4
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