linux-kernel - [PATCH net-next] net: dsa: Fix dsa_legacy

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Date:   Fri, 29 Dec 2017 11:05:45 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, Egil Hjelmeland <privat@...l-hjelmeland.no>,
        Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH net-next] net: dsa: Fix dsa_legacy_register() return value

We need to make the dsa_legacy_register() stub return 0 in order for
dsa_init_module() to successfully register and continue registering the
ETH_P_XDSA packet handler.

Fixes: 2a93c1a3651f ("net: dsa: Allow compiling out legacy support")
Reported-by: Egil Hjelmeland <privat@...l-hjelmeland.no>
Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 net/dsa/dsa_priv.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index b03665e8fb4e..cefb0c3c6d51 100644
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -103,7 +103,7 @@ void dsa_legacy_unregister(void);
 #else
 static inline int dsa_legacy_register(void)
 {
-	return -ENODEV;
+	return 0;
 }
 
 static inline void dsa_legacy_unregister(void) { }
-- 
2.14.1