This is a note to let you know that I've just added the patch titled iio: adc: twl4030: Disable the vusb3v1 rugulator in the error handling path of 'twl4030_madc_probe()' to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: iio-adc-twl4030-disable-the-vusb3v1-rugulator-in-the-error-handling-path-of-twl4030_madc_probe.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 7f70be6e4025db0551e6863e7eb9cca07122695c Mon Sep 17 00:00:00 2001 From: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> Date: Sat, 23 Sep 2017 08:06:19 +0200 Subject: iio: adc: twl4030: Disable the vusb3v1 rugulator in the error handling path of 'twl4030_madc_probe()' From: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> commit 7f70be6e4025db0551e6863e7eb9cca07122695c upstream. Commit 7cc97d77ee8a has introduced a call to 'regulator_disable()' in the .remove function. So we should also have such a call in the .probe function in case of error after a successful 'regulator_enable()' call. Add a new label for that and use it. Fixes: 7cc97d77ee8a ("iio: adc: twl4030: Fix ADC[3:6] readings") Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/iio/adc/twl4030-madc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/iio/adc/twl4030-madc.c +++ b/drivers/iio/adc/twl4030-madc.c @@ -878,11 +878,13 @@ static int twl4030_madc_probe(struct pla ret = iio_device_register(iio_dev); if (ret) { dev_err(&pdev->dev, "could not register iio device\n"); - goto err_i2c; + goto err_usb3v1; } return 0; +err_usb3v1: + regulator_disable(madc->usb3v1); err_i2c: twl4030_madc_set_current_generator(madc, 0, 0); err_current_generator: Patches currently in stable-queue which might be from christophe.jaillet@xxxxxxxxxx are queue-4.4/iio-adc-twl4030-fix-an-error-handling-path-in-twl4030_madc_probe.patch queue-4.4/iio-adc-twl4030-disable-the-vusb3v1-rugulator-in-the-error-handling-path-of-twl4030_madc_probe.patch