netdev - [PATCH net-next v3 15/17] net: ethtool: remove unused __ethtool_get

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Message-Id: <1448921155-24764-16-git-send-email-ddecotig@gmail.com>
Date:	Mon, 30 Nov 2015 14:05:53 -0800
From:	David Decotigny <ddecotig@...il.com>
To:	"David S. Miller" <davem@...emloft.net>,
	Ben Hutchings <ben@...adent.org.uk>,
	Amir Vadai <amirv@...lanox.com>, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, linux-api@...r.kernel.org,
	linux-mips@...ux-mips.org, fcoe-devel@...n-fcoe.org
Cc:	Eric Dumazet <edumazet@...gle.com>,
	Eugenia Emantayev <eugenia@...lanox.co.il>,
	Or Gerlitz <ogerlitz@...lanox.com>,
	Ido Shamay <idos@...lanox.com>, Joe Perches <joe@...ches.com>,
	Saeed Mahameed <saeedm@...lanox.com>,
	Govindarajulu Varadarajan <_govind@....com>,
	Venkata Duvvuru <VenkatKumar.Duvvuru@...lex.Com>,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	Eyal Perry <eyalpe@...lanox.com>,
	Pravin B Shelar <pshelar@...ira.com>,
	Ed Swierk <eswierk@...portsystems.com>,
	Robert Love <robert.w.love@...el.com>,
	"James E.J. Bottomley" <JBottomley@...allels.com>,
	Yuval Mintz <Yuval.Mintz@...gic.com>,
	David Decotigny <decot@...glers.com>
Subject: [PATCH net-next v3 15/17] net: ethtool: remove unused __ethtool_get_settings

From: David Decotigny <decot@...glers.com>

replaced by __ethtool_get_ksettings.

Signed-off-by: David Decotigny <decot@...glers.com>
---
 include/linux/ethtool.h |  4 ----
 net/core/ethtool.c      | 49 ++++++++++++++-----------------------------------
 2 files changed, 14 insertions(+), 39 deletions(-)

diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index 6de122d..7de2dc7 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -161,10 +161,6 @@ __ethtool_add_link_modes(ethtool_link_mode_mask_t *dst,
 extern int __ethtool_get_ksettings(struct net_device *dev,
 				   struct ethtool_ksettings *ksettings);
 
-/* DEPRECATED, use __ethtool_get_ksettings */
-extern int __ethtool_get_settings(struct net_device *dev,
-				  struct ethtool_cmd *cmd);
-
 /**
  * struct ethtool_ops - optional netdev operations
  * @get_settings: DEPRECATED, use %get_ksettings/%set_ksettings
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 4563f95..b67f079 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -499,15 +499,16 @@ int __ethtool_get_ksettings(struct net_device *dev,
 		return dev->ethtool_ops->get_ksettings(dev, ksettings);
 	}
 
-	/* TODO: remove what follows when ethtool_ops::get_settings
-	 * disappears internally
-	 */
-
 	/* driver doesn't support %ethtool_ksettings API. revert to
 	 * legacy %ethtool_cmd API, unless it's not supported either.
 	 * TODO: remove when ethtool_ops::get_settings disappears internally
 	 */
-	err = __ethtool_get_settings(dev, &cmd);
+	if (!dev->ethtool_ops->get_settings)
+		return -EOPNOTSUPP;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.cmd = ETHTOOL_GSET;
+	err = dev->ethtool_ops->get_settings(dev, &cmd);
 	if (err < 0)
 		return err;
 
@@ -723,30 +724,6 @@ static int ethtool_set_ksettings(struct net_device *dev, void __user *useraddr)
 	return dev->ethtool_ops->set_ksettings(dev, &ksettings);
 }
 
-/* Internal kernel helper to query a device ethtool_cmd settings.
- *
- * Note about transition to ethtool_settings API: We do not need (or
- * want) this function to support "dev" instances that implement the
- * ethtool_settings API as we will update the drivers calling this
- * function to call __ethtool_get_ksettings instead, before the first
- * drivers implement ethtool_ops::get_ksettings.
- *
- * TODO 1: at least make this function static when no driver is using it
- * TODO 2: remove when ethtool_ops::get_settings disappears internally
- */
-int __ethtool_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
-	ASSERT_RTNL();
-
-	if (!dev->ethtool_ops->get_settings)
-		return -EOPNOTSUPP;
-
-	memset(cmd, 0, sizeof(struct ethtool_cmd));
-	cmd->cmd = ETHTOOL_GSET;
-	return dev->ethtool_ops->get_settings(dev, cmd);
-}
-EXPORT_SYMBOL(__ethtool_get_settings);
-
 /* Query device for its ethtool_cmd settings.
  *
  * Backward compatibility note: for compatibility with legacy ethtool,
@@ -788,16 +765,18 @@ static int ethtool_get_settings(struct net_device *dev, void __user *useraddr)
 		/* send a sensible cmd tag back to user */
 		cmd.cmd = ETHTOOL_GSET;
 	} else {
-		int err;
-		/* TODO: return -EOPNOTSUPP when
-		 * ethtool_ops::get_settings disappears internally
-		 */
-
 		/* driver doesn't support %ethtool_ksettings
 		 * API. revert to legacy %ethtool_cmd API, unless it's
 		 * not supported either.
 		 */
-		err = __ethtool_get_settings(dev, &cmd);
+		int err;
+
+		if (!dev->ethtool_ops->get_settings)
+			return -EOPNOTSUPP;
+
+		memset(&cmd, 0, sizeof(cmd));
+		cmd.cmd = ETHTOOL_GSET;
+		err = dev->ethtool_ops->get_settings(dev, &cmd);
 		if (err < 0)
 			return err;
 	}
-- 
2.6.0.rc2.230.g3dd15c0

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