tty: serial: Modify the use of dev_err_probe()
The dev_err_probe() doesn't do anything when error is '-ENOMEM'.
Make the following two changes:
(1) Replace -ENOMEM with -ENOSPC in max3100_probe().
(2) Just return -ENOMEM instead in max310x_probe().
Signed-off-by: Xichao Zhao <zhao.xichao@vivo.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20250819120927.607744-1-zhao.xichao@vivo.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/serial/max3100.c b/drivers/tty/serial/max3100.c
index 67d80f8..3faa1b6 100644
--- a/drivers/tty/serial/max3100.c
+++ b/drivers/tty/serial/max3100.c
@@ -705,7 +705,7 @@ static int max3100_probe(struct spi_device *spi)
break;
if (i == MAX_MAX3100) {
mutex_unlock(&max3100s_lock);
- return dev_err_probe(dev, -ENOMEM, "too many MAX3100 chips\n");
+ return dev_err_probe(dev, -ENOSPC, "too many MAX3100 chips\n");
}
max3100s[i] = kzalloc(sizeof(struct max3100_port), GFP_KERNEL);
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index d9a0100..e8749b8 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -1269,8 +1269,7 @@ static int max310x_probe(struct device *dev, const struct max310x_devtype *devty
/* Alloc port structure */
s = devm_kzalloc(dev, struct_size(s, p, devtype->nr), GFP_KERNEL);
if (!s)
- return dev_err_probe(dev, -ENOMEM,
- "Error allocating port structure\n");
+ return -ENOMEM;
/* Always ask for fixed clock rate from a property. */
device_property_read_u32(dev, "clock-frequency", &uartclk);
