linux-kernel - [PATCH net-next v4 04/10] net: dsa: Move ports assignment closer to error checking

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Message-Id: <20170117232152.1661-5-f.fainelli@gmail.com>
Date:   Tue, 17 Jan 2017 15:21:46 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     netdev@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Jason Cooper <jason@...edaemon.net>,
        Andrew Lunn <andrew@...n.ch>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Gregory Clement <gregory.clement@...e-electrons.com>,
        Russell King <linux@...linux.org.uk>,
        Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-arm-kernel@...ts.infradead.org (moderated list:ARM/Marvell
        Dove/MV78xx0/Orion SOC support),
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH net-next v4 04/10] net: dsa: Move ports assignment closer to error checking

Move the assignment of ports in _dsa_register_switch() closer to where
it is checked, no functional change. Re-order declarations to be
preserve the inverted christmas tree style.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 net/dsa/dsa2.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index 04ab62251fe3..cd91070b5467 100644
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -587,8 +587,8 @@ static struct device_node *dsa_get_ports(struct dsa_switch *ds,
 static int _dsa_register_switch(struct dsa_switch *ds, struct device *dev)
 {
 	struct device_node *np = dev->of_node;
-	struct device_node *ports = dsa_get_ports(ds, np);
 	struct dsa_switch_tree *dst;
+	struct device_node *ports;
 	u32 tree, index;
 	int i, err;
 
@@ -596,6 +596,7 @@ static int _dsa_register_switch(struct dsa_switch *ds, struct device *dev)
 	if (err)
 		return err;
 
+	ports = dsa_get_ports(ds, np);
 	if (IS_ERR(ports))
 		return PTR_ERR(ports);
 
-- 
2.9.3