6.6-stable review patch. If anyone has any objections, please let me know.
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From: Zicheng Qu quzicheng@huawei.com
commit 3993ca4add248f0f853f54f9273a7de850639f33 upstream.
In the fwnode_iio_channel_get_by_name(), iterating over parent nodes to acquire IIO channels via fwnode_for_each_parent_node(). The variable chan was mistakenly attempted on the original node instead of the current parent node. This patch corrects the logic to ensure that __fwnode_iio_channel_get_by_name() is called with the correct parent node.
Cc: stable@vger.kernel.org # v6.6+ Fixes: 1e64b9c5f9a0 ("iio: inkern: move to fwnode properties") Signed-off-by: Zicheng Qu quzicheng@huawei.com Link: https://patch.msgid.link/20241102092525.2389952-1-quzicheng@huawei.com Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/iio/inkern.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/iio/inkern.c +++ b/drivers/iio/inkern.c @@ -277,7 +277,7 @@ struct iio_channel *fwnode_iio_channel_g return ERR_PTR(-ENODEV); }
- chan = __fwnode_iio_channel_get_by_name(fwnode, name); + chan = __fwnode_iio_channel_get_by_name(parent, name); if (!IS_ERR(chan) || PTR_ERR(chan) != -ENODEV) { fwnode_handle_put(parent); return chan;