From b855303a8619cbc3ff6c2fd39126a592e94823d1 Mon Sep 17 00:00:00 2001 From: Zicheng Qu Date: Tue, 11 Mar 2025 08:51:19 +0900 Subject: [PATCH] iio: Fix fwnode_handle in __fwnode_iio_channel_get_by_name() BugLink: https://bugs.launchpad.net/bugs/2101915 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 Link: https://patch.msgid.link/20241102092525.2389952-1-quzicheng@huawei.com Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman Signed-off-by: Koichiro Den Signed-off-by: Stefan Bader --- drivers/iio/inkern.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c index 80e1c45485c9..079e30c522bb 100644 --- a/drivers/iio/inkern.c +++ b/drivers/iio/inkern.c @@ -277,7 +277,7 @@ struct iio_channel *fwnode_iio_channel_get_by_name(struct fwnode_handle *fwnode, 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;