mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

iio: adc: max1027: unlock on error path in max1027_read_single_value() 

[ Upstream commit 06ee60eb50 ]

If max1027_wait_eoc() fails then call iio_device_release_direct_mode()
before returning.

Fixes: a0e831653e ("iio: adc: max1027: Introduce an end of conversion helper")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YsbztVuAXnau2cIZ@kili
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dan Carpenter 2022-07-07 17:54:45 +03:00 committed by Greg Kroah-Hartman
parent 5f3f8495ac
commit 12a1bcc1da
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/iio/adc/max1027.c
View File

@ -349,8 +349,7 @@ static int max1027_read_single_value(struct iio_dev *indio_dev,
if (ret < 0) {
dev_err(&indio_dev->dev,
"Failed to configure conversion register\n");
iio_device_release_direct_mode(indio_dev);
return ret;
goto release;
}
/*
@ -360,11 +359,12 @@ static int max1027_read_single_value(struct iio_dev *indio_dev,
*/
ret = max1027_wait_eoc(indio_dev);
if (ret)
return ret;
goto release;
/* Read result */
ret = spi_read(st->spi, st->buffer, (chan->type == IIO_TEMP) ? 4 : 2);
release:
iio_device_release_direct_mode(indio_dev);
if (ret < 0)