linux-kernel - Re: linux-next: build warning after merge of the net-next tree

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Date:	Tue, 26 Jul 2016 23:19:59 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	sfr@...b.auug.org.au
Cc:	netdev@...r.kernel.org, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org, isubramanian@....com
Subject: Re: linux-next: build warning after merge of the net-next tree

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Wed, 27 Jul 2016 16:15:33 +1000

> Hi all,
> 
> After merging the net-next tree, today's linux-next build (powerpc
> allyesconfig) produced this warning:
> 
> drivers/net/ethernet/apm/xgene/xgene_enet_hw.c: In function 'xgene_enet_phy_connect':
> drivers/net/ethernet/apm/xgene/xgene_enet_hw.c:759:22: warning: unused variable 'adev' [-Wunused-variable]
>   struct acpi_device *adev;
>                       ^
> 
> Introduced by commit
> 
>   8089a96f601b ("drivers: net: xgene: Add backward compatibility")
> (CONFIG_ACPI si not set for tis build)

Fixed thusly:

====================
>From 36232012344b8db67052432742deaf17f82e70e6 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@...emloft.net>
Date: Tue, 26 Jul 2016 23:19:29 -0700
Subject: [PATCH] xgene: Fix build warning with ACPI disabled.

drivers/net/ethernet/apm/xgene/xgene_enet_hw.c: In function 'xgene_enet_phy_connect':
drivers/net/ethernet/apm/xgene/xgene_enet_hw.c:759:22: warning: unused variable 'adev' [-Wunused-variable]

Fixes: 8089a96f601b ("drivers: net: xgene: Add backward compatibility")
Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
Signed-off-by: David S. Miller <davem@...emloft.net>
---
 drivers/net/ethernet/apm/xgene/xgene_enet_hw.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
index 8a2a221..7714b7d 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
@@ -756,7 +756,6 @@ int xgene_enet_phy_connect(struct net_device *ndev)
 	struct device_node *np;
 	struct phy_device *phy_dev;
 	struct device *dev = &pdata->pdev->dev;
-	struct acpi_device *adev;
 	int i;
 
 	if (dev->of_node) {
@@ -781,7 +780,7 @@ int xgene_enet_phy_connect(struct net_device *ndev)
 		pdata->phy_dev = phy_dev;
 	} else {
 #ifdef CONFIG_ACPI
-		adev = acpi_phy_find_device(dev);
+		struct acpi_device *adev = acpi_phy_find_device(dev);
 		if (adev)
 			pdata->phy_dev =  adev->driver_data;
 
-- 
2.1.0