Patch "leds: spi-byte: Call of_node_put() on error path" has been added to the 5.15-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    leds: spi-byte: Call of_node_put() on error path

to the 5.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     leds-spi-byte-call-of_node_put-on-error-path.patch
and it can be found in the queue-5.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit a84221dcaf7f154a3bf0ea128d7dd847d9e5261e
Author: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Date:   Thu Jun 6 20:29:18 2024 +0300

    leds: spi-byte: Call of_node_put() on error path
    
    [ Upstream commit 7f9ab862e05c5bc755f65bf6db7edcffb3b49dfc ]
    
    Add a missing call to of_node_put(np) on error.
    
    Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
    Link: https://lore.kernel.org/r/20240606173037.3091598-2-andriy.shevchenko@xxxxxxxxxxxxxxx
    Signed-off-by: Lee Jones <lee@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/leds/leds-spi-byte.c b/drivers/leds/leds-spi-byte.c
index f1964c96fb15..82696e0607a5 100644
--- a/drivers/leds/leds-spi-byte.c
+++ b/drivers/leds/leds-spi-byte.c
@@ -91,7 +91,6 @@ static int spi_byte_probe(struct spi_device *spi)
 		dev_err(dev, "Device must have exactly one LED sub-node.");
 		return -EINVAL;
 	}
-	child = of_get_next_available_child(dev_of_node(dev), NULL);
 
 	led = devm_kzalloc(dev, sizeof(*led), GFP_KERNEL);
 	if (!led)
@@ -107,11 +106,13 @@ static int spi_byte_probe(struct spi_device *spi)
 	led->ldev.max_brightness = led->cdef->max_value - led->cdef->off_value;
 	led->ldev.brightness_set_blocking = spi_byte_brightness_set_blocking;
 
+	child = of_get_next_available_child(dev_of_node(dev), NULL);
 	state = of_get_property(child, "default-state", NULL);
 	if (state) {
 		if (!strcmp(state, "on")) {
 			led->ldev.brightness = led->ldev.max_brightness;
 		} else if (strcmp(state, "off")) {
+			of_node_put(child);
 			/* all other cases except "off" */
 			dev_err(dev, "default-state can only be 'on' or 'off'");
 			return -EINVAL;
@@ -122,9 +123,12 @@ static int spi_byte_probe(struct spi_device *spi)
 
 	ret = devm_led_classdev_register(&spi->dev, &led->ldev);
 	if (ret) {
+		of_node_put(child);
 		mutex_destroy(&led->mutex);
 		return ret;
 	}
+
+	of_node_put(child);
 	spi_set_drvdata(spi, led);
 
 	return 0;