6.10-stable review patch. If anyone has any objections, please let me know.
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From: Dan Carpenter dan.carpenter@linaro.org
[ Upstream commit 87e552ad654554be73e62dd43c923bcee215287d ]
This code was passing the incorrect pointer to PTR_ERR_OR_ZERO() so it always returned success. It should have been checking the array element instead of the array itself.
Fixes: 96a2e242a5dc ("leds: flash: Add driver to support flash LED module in QCOM PMICs") Signed-off-by: Dan Carpenter dan.carpenter@linaro.org Link: https://lore.kernel.org/r/ZoWJS_epjIMCYITg@stanley.mountain Signed-off-by: Lee Jones lee@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/leds/flash/leds-qcom-flash.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/leds/flash/leds-qcom-flash.c b/drivers/leds/flash/leds-qcom-flash.c index 7c99a30391716..bf70bf6fb0d59 100644 --- a/drivers/leds/flash/leds-qcom-flash.c +++ b/drivers/leds/flash/leds-qcom-flash.c @@ -505,6 +505,7 @@ qcom_flash_v4l2_init(struct device *dev, struct qcom_flash_led *led, struct fwno struct qcom_flash_data *flash_data = led->flash_data; struct v4l2_flash_config v4l2_cfg = { 0 }; struct led_flash_setting *intensity = &v4l2_cfg.intensity; + struct v4l2_flash *v4l2_flash;
if (!(led->flash.led_cdev.flags & LED_DEV_CAP_FLASH)) return 0; @@ -523,9 +524,12 @@ qcom_flash_v4l2_init(struct device *dev, struct qcom_flash_led *led, struct fwno LED_FAULT_OVER_TEMPERATURE | LED_FAULT_TIMEOUT;
- flash_data->v4l2_flash[flash_data->leds_count] = - v4l2_flash_init(dev, fwnode, &led->flash, &qcom_v4l2_flash_ops, &v4l2_cfg); - return PTR_ERR_OR_ZERO(flash_data->v4l2_flash); + v4l2_flash = v4l2_flash_init(dev, fwnode, &led->flash, &qcom_v4l2_flash_ops, &v4l2_cfg); + if (IS_ERR(v4l2_flash)) + return PTR_ERR(v4l2_flash); + + flash_data->v4l2_flash[flash_data->leds_count] = v4l2_flash; + return 0; } # else static int