5.15-stable review patch. If anyone has any objections, please let me know.
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From: Andy Shevchenko andriy.shevchenko@linux.intel.com
[ Upstream commit 7f9ab862e05c5bc755f65bf6db7edcffb3b49dfc ]
Add a missing call to of_node_put(np) on error.
Signed-off-by: Andy Shevchenko andriy.shevchenko@linux.intel.com Link: https://lore.kernel.org/r/20240606173037.3091598-2-andriy.shevchenko@linux.i... Signed-off-by: Lee Jones lee@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/leds/leds-spi-byte.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
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;