linux-kernel - [PATCH 4.14 40/62] net: dsa: fix switch tree list

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Message-Id: <20191108174748.430097798@linuxfoundation.org>
Date:   Fri,  8 Nov 2019 19:50:28 +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, Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 4.14 40/62] net: dsa: fix switch tree list

From: Vivien Didelot <vivien.didelot@...il.com>

[ Upstream commit 50c7d2ba9de20f60a2d527ad6928209ef67e4cdd ]

If there are multiple switch trees on the device, only the last one
will be listed, because the arguments of list_add_tail are swapped.

Fixes: 83c0afaec7b7 ("net: dsa: Add new binding implementation")
Signed-off-by: Vivien Didelot <vivien.didelot@...il.com>
Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 net/dsa/dsa2.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -62,7 +62,7 @@ static struct dsa_switch_tree *dsa_add_d
 		return NULL;
 	dst->tree = tree;
 	INIT_LIST_HEAD(&dst->list);
-	list_add_tail(&dsa_switch_trees, &dst->list);
+	list_add_tail(&dst->list, &dsa_switch_trees);
 	kref_init(&dst->refcount);
 
 	return dst;