diff mbox series

[RFC,06/27] iio: proximity: sx9324: Stop using iio_device_claim_direct_scoped()

Message ID 20250105172613.1204781-7-jic23@kernel.org (mailing list archive)
State New
Headers show
Series iio: improve handling of direct mode claim and release | expand

Commit Message

Jonathan Cameron Jan. 5, 2025, 5:25 p.m. UTC 
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>

This complex cleanup.h use case of conditional guards has proved
to be more trouble that it is worth in terms of false positive compiler
warnings and hard to read code.

Move directly to the new claim/release_direct() that allow sparse
to check for unbalanced context

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
 drivers/iio/proximity/sx9324.c | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/iio/proximity/sx9324.c b/drivers/iio/proximity/sx9324.c
index f7819dd2775c..73d972416c01 100644
--- a/drivers/iio/proximity/sx9324.c
+++ b/drivers/iio/proximity/sx9324.c
@@ -429,16 +429,23 @@  static int sx9324_read_raw(struct iio_dev *indio_dev,
 			   int *val, int *val2, long mask)
 {
 	struct sx_common_data *data = iio_priv(indio_dev);
+	int ret;
 
 	switch (mask) {
 	case IIO_CHAN_INFO_RAW:
-		iio_device_claim_direct_scoped(return -EBUSY, indio_dev)
-			return sx_common_read_proximity(data, chan, val);
-		unreachable();
+		if (!iio_device_claim_direct(indio_dev))
+			return -EBUSY;
+
+		ret = sx_common_read_proximity(data, chan, val);
+		iio_device_release_direct(indio_dev);
+		return ret;
 	case IIO_CHAN_INFO_HARDWAREGAIN:
-		iio_device_claim_direct_scoped(return -EBUSY, indio_dev)
-			return sx9324_read_gain(data, chan, val);
-		unreachable();
+		if (!iio_device_claim_direct(indio_dev))
+			return -EBUSY;
+
+		ret = sx9324_read_gain(data, chan, val);
+		iio_device_release_direct(indio_dev);
+		return ret;
 	case IIO_CHAN_INFO_SAMP_FREQ:
 		return sx9324_read_samp_freq(data, val, val2);
 	default: