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| author | Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> | 2024-08-16 17:31:34 +0200 |
|---|---|---|
| committer | Lee Jones <lee@kernel.org> | 2024-08-22 14:22:44 +0100 |
| commit | 700b6c984b418c04c63a54f67b6758b81016f0e3 (patch) | |
| tree | 7fb263293e8b3c33a4757c2655b0a7ceb45103df | |
| parent | 1e63395e58b2b1d0105bb5ffdb1e5d7400a4be82 (diff) | |
| download | linux-stable-700b6c984b418c04c63a54f67b6758b81016f0e3.tar.gz linux-stable-700b6c984b418c04c63a54f67b6758b81016f0e3.tar.bz2 linux-stable-700b6c984b418c04c63a54f67b6758b81016f0e3.zip | |
leds: ktd2692: Use scoped device node handling to simplify error paths
Obtain the device node reference with scoped/cleanup.h to reduce error
handling and make the code a bit simpler.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240816-cleanup-h-of-node-put-var-v1-2-1d0292802470@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
| -rw-r--r-- | drivers/leds/flash/leds-ktd2692.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/leds/flash/leds-ktd2692.c b/drivers/leds/flash/leds-ktd2692.c index 7bb0aa2753e3..16a01a200c0b 100644 --- a/drivers/leds/flash/leds-ktd2692.c +++ b/drivers/leds/flash/leds-ktd2692.c @@ -6,6 +6,7 @@ * Ingi Kim <ingi2.kim@samsung.com> */ +#include <linux/cleanup.h> #include <linux/err.h> #include <linux/gpio/consumer.h> #include <linux/leds-expresswire.h> @@ -208,7 +209,6 @@ static int ktd2692_parse_dt(struct ktd2692_context *led, struct device *dev, struct ktd2692_led_config_data *cfg) { struct device_node *np = dev_of_node(dev); - struct device_node *child_node; int ret; if (!np) @@ -239,7 +239,8 @@ static int ktd2692_parse_dt(struct ktd2692_context *led, struct device *dev, } } - child_node = of_get_next_available_child(np, NULL); + struct device_node *child_node __free(device_node) = + of_get_next_available_child(np, NULL); if (!child_node) { dev_err(dev, "No DT child node found for connected LED.\n"); return -EINVAL; @@ -252,26 +253,24 @@ static int ktd2692_parse_dt(struct ktd2692_context *led, struct device *dev, &cfg->movie_max_microamp); if (ret) { dev_err(dev, "failed to parse led-max-microamp\n"); - goto err_parse_dt; + return ret; } ret = of_property_read_u32(child_node, "flash-max-microamp", &cfg->flash_max_microamp); if (ret) { dev_err(dev, "failed to parse flash-max-microamp\n"); - goto err_parse_dt; + return ret; } ret = of_property_read_u32(child_node, "flash-max-timeout-us", &cfg->flash_max_timeout); if (ret) { dev_err(dev, "failed to parse flash-max-timeout-us\n"); - goto err_parse_dt; + return ret; } -err_parse_dt: - of_node_put(child_node); - return ret; + return 0; } static const struct led_flash_ops flash_ops = { |