diff options
| author | Anson Huang <Anson.Huang@nxp.com> | 2020-05-11 15:09:56 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-05-15 12:25:15 +0200 |
| commit | aa49d8e8b2dfc112f7de9c58698ae06b2101c73c (patch) | |
| tree | a9e3018bdeea958a967fc6d21f5a7c16e4ace498 | |
| parent | 24637007394e85737ff1798fcd0f62f1fd7dc6af (diff) | |
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 <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>
| -rw-r--r-- | drivers/tty/serial/imx.c | 2 |
1 files changed, 2 insertions, 0 deletions
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); |