linux-kernel - [PATCH 2/3] net: usb: r8152: Set probe mode to sync

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Message-Id: <20220105142351.8026-2-aaron.ma@canonical.com>
Date:   Wed,  5 Jan 2022 22:23:50 +0800
From:   Aaron Ma <aaron.ma@...onical.com>
To:     aaron.ma@...onical.com, kuba@...nel.org,
        henning.schild@...mens.com, linux-usb@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     davem@...emloft.net, hayeswang@...ltek.com, tiwai@...e.de
Subject: [PATCH 2/3] net: usb: r8152: Set probe mode to sync

To avoid the race of get passthrough MAC,
set probe mode to sync to check the used MAC address.

Signed-off-by: Aaron Ma <aaron.ma@...onical.com>
---
 drivers/net/usb/r8152.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 91f4b2761f8e..3fbce3dbc04d 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -29,6 +29,8 @@
 #include <crypto/hash.h>
 #include <linux/usb/r8152.h>
 
+static struct usb_driver rtl8152_driver;
+
 /* Information for net-next */
 #define NETNEXT_VERSION		"12"
 
@@ -9545,6 +9547,9 @@ static int rtl8152_probe(struct usb_interface *intf,
 	struct r8152 *tp;
 	struct net_device *netdev;
 	int ret;
+	struct device_driver *rtl8152_drv = &rtl8152_driver.drvwrap.driver;
+
+	rtl8152_drv->probe_type = PROBE_FORCE_SYNCHRONOUS;
 
 	if (version == RTL_VER_UNKNOWN)
 		return -ENODEV;
-- 
2.30.2