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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2024-06-06 20:29:18 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-09-12 11:11:30 +0200
commit56b7104b823bda22b379cca7d140f67a476de6d5 (patch)
tree5ef253d1251fb966556ee0389e650a3ec3850135
parent6ae2e315a3888c5979bcf90ce049c9069ecd4930 (diff)
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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@linux.intel.com> Link: https://lore.kernel.org/r/20240606173037.3091598-2-andriy.shevchenko@linux.intel.com Signed-off-by: Lee Jones <lee@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/leds/leds-spi-byte.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/leds/leds-spi-byte.c b/drivers/leds/leds-spi-byte.c
index 9d91f21842f2..afe9bff7c7c1 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;