[PATCH 5.18 0093/1095] iio: light: isl29028: Fix the warning in isl29028_remove()

Greg Kroah-Hartman
2022-08-15T20:14:11Z

From: Zheyu Ma <zheyuma97@gmail.com>

commit 06674fc7c003b9d0aa1d37fef7ab2c24802cc6ad upstream.

The driver use the non-managed form of the register function in
isl29028_remove(). To keep the release order as mirroring the ordering
in probe, the driver should use non-managed form in probe, too.

The following log reveals it:

[ 32.374955] isl29028 0-0010: remove
[ 32.376861] general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN PTI
[ 32.377676] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
[ 32.379432] RIP: 0010:kernfs_find_and_get_ns+0x28/0xe0
[ 32.385461] Call Trace:
[ 32.385807] sysfs_unmerge_group+0x59/0x110
[ 32.386110] dpm_sysfs_remove+0x58/0xc0
[ 32.386391] device_del+0x296/0xe50
[ 32.386959] cdev_device_del+0x1d/0xd0
[ 32.387231] devm_iio_device_unreg+0x27/0xb0
[ 32.387542] devres_release_group+0x319/0x3d0
[ 32.388162] i2c_device_remove+0x93/0x1f0

Fixes: 2db5054ac28d ("staging: iio: isl29028: add runtime power management support")
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Link: https://lore.kernel.org/r/20220717004241.2281028-1-zheyuma97@gmail.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/iio/light/isl29028.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/iio/light/isl29028.c
+++ b/drivers/iio/light/isl29028.c
@@ -625,7 +625,7 @@ static int isl29028_probe(struct i2c_cli
ISL29028_POWER_OFF_DELAY_MS);
pm_runtime_use_autosuspend(&client->dev);

- ret = devm_iio_device_register(indio_dev->dev.parent, indio_dev);
+ ret = iio_device_register(indio_dev);
if (ret < 0) {
dev_err(&client->dev,
"%s(): iio registration failed with error %d\n",