linux-serial.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] tty: serial: imx: Add return value check for platform_get_irq()
@ 2020-05-11  7:09 Anson Huang
  2020-05-11  7:27 ` Uwe Kleine-König
  0 siblings, 1 reply; 3+ messages in thread
From: Anson Huang @ 2020-05-11  7:09 UTC (permalink / raw)
  To: gregkh, jslaby, shawnguo, s.hauer, kernel, festevam,
	linux-serial, linux-arm-kernel, linux-kernel
  Cc: Linux-imx

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

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
 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


^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2020-05-11  7:34 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-05-11  7:09 [PATCH] tty: serial: imx: Add return value check for platform_get_irq() Anson Huang
2020-05-11  7:27 ` Uwe Kleine-König
2020-05-11  7:34   ` Anson Huang

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).