linux-kernel - [PATCH 5.15 292/846] software node: fix wrong node passed to find nargs

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Message-Id: <20220124184111.003587646@linuxfoundation.org>
Date:   Mon, 24 Jan 2022 19:36:49 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Clément Léger <clement.leger@...tlin.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Daniel Scally <djrscally@...il.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 292/846] software node: fix wrong node passed to find nargs_prop

From: Clément Léger <clement.leger@...tlin.com>

[ Upstream commit c5fc5ba8b6b7bebc05e45036a33405b4c5036c2f ]

nargs_prop refers to a property located in the reference that is found
within the nargs property. Use the correct reference node in call to
property_entry_read_int_array() to retrieve the correct nargs value.

Fixes: b06184acf751 ("software node: Add software_node_get_reference_args()")
Signed-off-by: Clément Léger <clement.leger@...tlin.com>
Reviewed-by: Sakari Ailus <sakari.ailus@...ux.intel.com>
Reviewed-by: Daniel Scally <djrscally@...il.com>
Acked-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/base/swnode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c
index c46f6a8e14d23..3ba1232ce8451 100644
--- a/drivers/base/swnode.c
+++ b/drivers/base/swnode.c
@@ -535,7 +535,7 @@ software_node_get_reference_args(const struct fwnode_handle *fwnode,
 		return -ENOENT;
 
 	if (nargs_prop) {
-		error = property_entry_read_int_array(swnode->node->properties,
+		error = property_entry_read_int_array(ref->node->properties,
 						      nargs_prop, sizeof(u32),
 						      &nargs_prop_val, 1);
 		if (error)
-- 
2.34.1