linux-kernel - [PATCH] r8152: Refresh MAC address during USBDEVFS

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Message-Id: <1553523143-23072-1-git-send-email-mario.limonciello@dell.com>
Date:   Mon, 25 Mar 2019 09:12:23 -0500
From:   Mario Limonciello <mario.limonciello@...l.com>
To:     linux-usb@...r.kernel.org
Cc:     davem@...emloft.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, hayeswang@...ltek.com,
        sjg@...gle.com, campello@...gle.com,
        Ryan Hong <Ryan.Hong@...l.com>, Crag Wang <Crag.Wang@...l.com>,
        Mario Limonciello <mario.limonciello@...l.com>
Subject: [PATCH] r8152: Refresh MAC address during USBDEVFS_RESET

On some platforms it is possible to dynamically change the policy
of what MAC address is selected from the ASL at runtime.

These tools will reset the USB device and expect the change to be
made immediately.

Signed-off-by: Mario Limonciello <mario.limonciello@...l.com>
---
 drivers/net/usb/r8152.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 86c8c64..eb5351b 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -4268,6 +4268,9 @@ static int rtl8152_post_reset(struct usb_interface *intf)
 	if (!tp)
 		return 0;
 
+	/* reset the MAC adddress in case of policy change */
+	set_ethernet_addr(tp);
+
 	netdev = tp->netdev;
 	if (!netif_running(netdev))
 		return 0;
-- 
2.7.4