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authorAlexander Stein <[email protected]>2023-01-31 11:33:59 +0100
committerGuenter Roeck <[email protected]>2023-02-03 07:30:11 -0800
commit1c999af509b3f834d3d65a90fb72860a6d6a8370 (patch)
treec3a775a1f417dc271a0ea24fc8a9b2db75bb7355
parente1983220ae14ae7bdc8db4fb64e78bb55122c32b (diff)
hwmon: (iio_hwmon) use dev_err_probe
Instead of just returning an error code, add an error message as well. While at it, simplify the code and use a common return path. Upon deferral this also nicely lists the following message in /sys/kernel/debug/devices_deferred: adc iio_hwmon: Failed to get channels Signed-off-by: Alexander Stein <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Guenter Roeck <[email protected]>
-rw-r--r--drivers/hwmon/iio_hwmon.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/hwmon/iio_hwmon.c b/drivers/hwmon/iio_hwmon.c
index 3aa40893fc09..4c8a80847891 100644
--- a/drivers/hwmon/iio_hwmon.c
+++ b/drivers/hwmon/iio_hwmon.c
@@ -77,9 +77,11 @@ static int iio_hwmon_probe(struct platform_device *pdev)
channels = devm_iio_channel_get_all(dev);
if (IS_ERR(channels)) {
- if (PTR_ERR(channels) == -ENODEV)
- return -EPROBE_DEFER;
- return PTR_ERR(channels);
+ ret = PTR_ERR(channels);
+ if (ret == -ENODEV)
+ ret = -EPROBE_DEFER;
+ return dev_err_probe(dev, ret,
+ "Failed to get channels\n");
}
st = devm_kzalloc(dev, sizeof(*st), GFP_KERNEL);