diff options
| author | Johan Hovold <johan+linaro@kernel.org> | 2023-10-03 17:55:55 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-10-09 13:03:35 +0100 |
| commit | 69a026a2357ee69983690d07976de44ef26ee38a (patch) | |
| tree | 12ddc95076a0b19ad5ae2e8572c64eea755e7431 /sound | |
| parent | da29b94ed3547cee9d510d02eca4009f2de476cf (diff) | |
ASoC: codecs: wcd938x: fix regulator leaks on probe errors
Make sure to disable and free the regulators on probe errors and on
driver unbind.
Fixes: 16572522aece ("ASoC: codecs: wcd938x-sdw: add SoundWire driver")
Cc: stable@vger.kernel.org # 5.14
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20231003155558.27079-5-johan+linaro@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/wcd938x.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/sound/soc/codecs/wcd938x.c b/sound/soc/codecs/wcd938x.c index 7e0b07eeed77..679c627f7eaa 100644 --- a/sound/soc/codecs/wcd938x.c +++ b/sound/soc/codecs/wcd938x.c @@ -3325,8 +3325,10 @@ static int wcd938x_populate_dt_data(struct wcd938x_priv *wcd938x, struct device return dev_err_probe(dev, ret, "Failed to get supplies\n"); ret = regulator_bulk_enable(WCD938X_MAX_SUPPLY, wcd938x->supplies); - if (ret) + if (ret) { + regulator_bulk_free(WCD938X_MAX_SUPPLY, wcd938x->supplies); return dev_err_probe(dev, ret, "Failed to enable supplies\n"); + } wcd938x_dt_parse_micbias_info(dev, wcd938x); @@ -3592,13 +3594,13 @@ static int wcd938x_probe(struct platform_device *pdev) ret = wcd938x_add_slave_components(wcd938x, dev, &match); if (ret) - return ret; + goto err_disable_regulators; wcd938x_reset(wcd938x); ret = component_master_add_with_match(dev, &wcd938x_comp_ops, match); if (ret) - return ret; + goto err_disable_regulators; pm_runtime_set_autosuspend_delay(dev, 1000); pm_runtime_use_autosuspend(dev); @@ -3608,11 +3610,21 @@ static int wcd938x_probe(struct platform_device *pdev) pm_runtime_idle(dev); return 0; + +err_disable_regulators: + regulator_bulk_disable(WCD938X_MAX_SUPPLY, wcd938x->supplies); + regulator_bulk_free(WCD938X_MAX_SUPPLY, wcd938x->supplies); + + return ret; } static void wcd938x_remove(struct platform_device *pdev) { + struct wcd938x_priv *wcd938x = dev_get_drvdata(&pdev->dev); + component_master_del(&pdev->dev, &wcd938x_comp_ops); + regulator_bulk_disable(WCD938X_MAX_SUPPLY, wcd938x->supplies); + regulator_bulk_free(WCD938X_MAX_SUPPLY, wcd938x->supplies); } #if defined(CONFIG_OF) |