linux-kernel - [PATCH v1 1/1] thunderbolt: Do not dereference fwnode in struct device

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Date:   Tue,  7 Dec 2021 17:41:43 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Rajmohan Mani <rajmohan.mani@...el.com>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Andreas Noever <andreas.noever@...il.com>,
        Michael Jamet <michael.jamet@...el.com>,
        Yehezkel Bernat <YehezkelShB@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1 1/1] thunderbolt: Do not dereference fwnode in struct device

In order to make the underneath API easier to change in the future,
prevent users from dereferencing fwnode from struct device.
Instead, use the specific dev_fwnode() API for that.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/thunderbolt/acpi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thunderbolt/acpi.c b/drivers/thunderbolt/acpi.c
index b67e72d5644b..861d0fafb1d9 100644
--- a/drivers/thunderbolt/acpi.c
+++ b/drivers/thunderbolt/acpi.c
@@ -31,7 +31,7 @@ static acpi_status tb_acpi_add_link(acpi_handle handle, u32 level, void *data,
 		return AE_OK;
 
 	/* It needs to reference this NHI */
-	if (nhi->pdev->dev.fwnode != args.fwnode)
+	if (dev_fwnode(&nhi->pdev->dev) != args.fwnode)
 		goto out_put;
 
 	/*
-- 
2.33.0