commit e36d56b64808aec54b68b4e9976180c1da0933b2
author Johannes Berg <johannes@sipsolutions.net> Tue Jun 09 21:04:43 2009 +0200
committer John W. Linville <linville@tuxdriver.com> Fri Jul 10 14:57:38 2009 -0400
tree 93f0e696d077b58d1064f3321d52b4611addf104
parent e5a8a896f5180f2950695d2d0b79db348d200ca4

cfg80211: pass netdev to change_virtual_intf

If there was a reason I'm passing the ifidx I cannot
remember it any more and don't see one now, so let's
just pass the pointer itself.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

net/mac80211/cfg.c

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 3f47276..eb93eb6 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -74,19 +74,14 @@
 	return 0;
 }
 
-static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
+static int ieee80211_change_iface(struct wiphy *wiphy,
+				  struct net_device *dev,
 				  enum nl80211_iftype type, u32 *flags,
 				  struct vif_params *params)
 {
-	struct net_device *dev;
 	struct ieee80211_sub_if_data *sdata;
 	int ret;
 
-	/* we're under RTNL */
-	dev = __dev_get_by_index(&init_net, ifindex);
-	if (!dev)
-		return -ENODEV;
-
 	if (!nl80211_type_check(type))
 		return -EINVAL;
 

net/wireless/nl80211.c

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 43bdb13..f91e5d4 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -767,7 +767,7 @@
 {
 	struct cfg80211_registered_device *drv;
 	struct vif_params params;
-	int err, ifindex;
+	int err;
 	enum nl80211_iftype otype, ntype;
 	struct net_device *dev;
 	u32 _flags, *flags = NULL;
@@ -781,9 +781,7 @@
 	if (err)
 		goto unlock_rtnl;
 
-	ifindex = dev->ifindex;
 	otype = ntype = dev->ieee80211_ptr->iftype;
-	dev_put(dev);
 
 	if (info->attrs[NL80211_ATTR_IFTYPE]) {
 		ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
@@ -826,20 +824,20 @@
 	}
 
 	if (change)
-		err = drv->ops->change_virtual_intf(&drv->wiphy, ifindex,
+		err = drv->ops->change_virtual_intf(&drv->wiphy, dev,
 						    ntype, flags, &params);
 	else
 		err = 0;
 
-	dev = __dev_get_by_index(&init_net, ifindex);
-	WARN_ON(!dev || (!err && dev->ieee80211_ptr->iftype != ntype));
+	WARN_ON(!err && dev->ieee80211_ptr->iftype != ntype);
 
-	if (dev && !err && (ntype != otype)) {
+	if (!err && (ntype != otype)) {
 		if (otype == NL80211_IFTYPE_ADHOC)
 			cfg80211_clear_ibss(dev, false);
 	}
 
  unlock:
+	dev_put(dev);
 	cfg80211_put_dev(drv);
  unlock_rtnl:
 	rtnl_unlock();

net/wireless/wext-compat.c

diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index d030c53..9e56f35 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -103,7 +103,7 @@
 
 	memset(&vifparams, 0, sizeof(vifparams));
 
-	ret = rdev->ops->change_virtual_intf(wdev->wiphy, dev->ifindex, type,
+	ret = rdev->ops->change_virtual_intf(wdev->wiphy, dev, type,
 					     NULL, &vifparams);
 	WARN_ON(!ret && wdev->iftype != type);