[PATCH] serial: 8250_bcm7271: Fix return error code in case of dma_alloc_coherent() failure

From: Lad Prabhakar
Date: Tue Jan 04 2022 - 12:50:53 EST


In case of dma_alloc_coherent() failure return -ENOMEM instead of
returning -EINVAL.

Fixes: c195438f1e84 ("serial: 8250_bcm7271: Propagate error codes from brcmuart_probe()")
Reported-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
Hi All,

This patch applies to -next.

Cheers,
Prabhakar
---
drivers/tty/serial/8250/8250_bcm7271.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_bcm7271.c b/drivers/tty/serial/8250/8250_bcm7271.c
index cc60a7874e8b..9b878d023dac 100644
--- a/drivers/tty/serial/8250/8250_bcm7271.c
+++ b/drivers/tty/serial/8250/8250_bcm7271.c
@@ -1075,7 +1075,7 @@ static int brcmuart_probe(struct platform_device *pdev)
priv->rx_size,
&priv->rx_addr, GFP_KERNEL);
if (!priv->rx_bufs) {
- ret = -EINVAL;
+ ret = -ENOMEM;
goto err;
}
priv->tx_size = UART_XMIT_SIZE;
@@ -1083,7 +1083,7 @@ static int brcmuart_probe(struct platform_device *pdev)
priv->tx_size,
&priv->tx_addr, GFP_KERNEL);
if (!priv->tx_buf) {
- ret = -EINVAL;
+ ret = -ENOMEM;
goto err;
}
}
--
2.17.1