This is a note to let you know that I've just added the patch titled iio: adc: twl4030: Fix an error handling path in '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-fix-an-error-handling-path-in-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 245a396a9b1a67ac5c3228737c261b3e48708a2a Mon Sep 17 00:00:00 2001 From: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> Date: Sat, 23 Sep 2017 08:06:18 +0200 Subject: iio: adc: twl4030: Fix an error handling path in 'twl4030_madc_probe()' From: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> commit 245a396a9b1a67ac5c3228737c261b3e48708a2a upstream. If 'devm_regulator_get()' fails, we should go through the existing error handling path instead of returning directly, as done is all the other error handling paths in this function. 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 | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) --- a/drivers/iio/adc/twl4030-madc.c +++ b/drivers/iio/adc/twl4030-madc.c @@ -866,8 +866,10 @@ static int twl4030_madc_probe(struct pla /* Enable 3v1 bias regulator for MADC[3:6] */ madc->usb3v1 = devm_regulator_get(madc->dev, "vusb3v1"); - if (IS_ERR(madc->usb3v1)) - return -ENODEV; + if (IS_ERR(madc->usb3v1)) { + ret = -ENODEV; + goto err_i2c; + } ret = regulator_enable(madc->usb3v1); if (ret) 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