From 8b2ac51625ac96afd488d3ddd90c95c3417eb736 Mon Sep 17 00:00:00 2001 From: Alexandru Ardelean Date: Wed, 30 Jun 2021 15:30:29 +0300 Subject: iio: hid-sensors: bind IIO channels alloc to device object Some HID drivers use devm_kmemdup() already to clone the template IIO channels information and update it. However, there are still some drivers that kmemdup() and kfree() the channels. This change converts them to use devm_kmemdup() and bind the life-time of this allocated object to the parent device object (in these drivers). Signed-off-by: Alexandru Ardelean Acked-by: Srinivas Pandruvada Link: https://lore.kernel.org/r/20210630123029.759609-1-aardelean@deviqon.com Signed-off-by: Jonathan Cameron --- drivers/iio/light/hid-sensor-prox.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) (limited to 'drivers/iio/light/hid-sensor-prox.c') diff --git a/drivers/iio/light/hid-sensor-prox.c b/drivers/iio/light/hid-sensor-prox.c index 1621530f5f61..f10fa2abfe72 100644 --- a/drivers/iio/light/hid-sensor-prox.c +++ b/drivers/iio/light/hid-sensor-prox.c @@ -253,8 +253,8 @@ static int hid_prox_probe(struct platform_device *pdev) return ret; } - indio_dev->channels = kmemdup(prox_channels, sizeof(prox_channels), - GFP_KERNEL); + indio_dev->channels = devm_kmemdup(&pdev->dev, prox_channels, + sizeof(prox_channels), GFP_KERNEL); if (!indio_dev->channels) { dev_err(&pdev->dev, "failed to duplicate channels\n"); return -ENOMEM; @@ -265,7 +265,7 @@ static int hid_prox_probe(struct platform_device *pdev) HID_USAGE_SENSOR_PROX, prox_state); if (ret) { dev_err(&pdev->dev, "failed to setup attributes\n"); - goto error_free_dev_mem; + return ret; } indio_dev->num_channels = ARRAY_SIZE(prox_channels); @@ -279,7 +279,7 @@ static int hid_prox_probe(struct platform_device *pdev) &prox_state->common_attributes); if (ret) { dev_err(&pdev->dev, "trigger setup failed\n"); - goto error_free_dev_mem; + return ret; } ret = iio_device_register(indio_dev); @@ -304,8 +304,6 @@ error_iio_unreg: iio_device_unregister(indio_dev); error_remove_trigger: hid_sensor_remove_trigger(indio_dev, &prox_state->common_attributes); -error_free_dev_mem: - kfree(indio_dev->channels); return ret; } @@ -319,7 +317,6 @@ static int hid_prox_remove(struct platform_device *pdev) sensor_hub_remove_callback(hsdev, HID_USAGE_SENSOR_PROX); iio_device_unregister(indio_dev); hid_sensor_remove_trigger(indio_dev, &prox_state->common_attributes); - kfree(indio_dev->channels); return 0; } -- cgit v1.2.3-70-g09d2