Commit 9f419f38 authored by Johannes Berg's avatar Johannes Berg
Browse files

cfg80211: move cfg80211_get_dev_from_ifindex under wext



The function is only used and needed by the wext code
for scanning, so move it there.
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent dde7dc75
......@@ -90,27 +90,6 @@ struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx)
return &rdev->wiphy;
}
struct cfg80211_registered_device *
cfg80211_get_dev_from_ifindex(struct net *net, int ifindex)
{
struct cfg80211_registered_device *rdev = ERR_PTR(-ENODEV);
struct net_device *dev;
mutex_lock(&cfg80211_mutex);
dev = dev_get_by_index(net, ifindex);
if (!dev)
goto out;
if (dev->ieee80211_ptr) {
rdev = wiphy_to_dev(dev->ieee80211_ptr->wiphy);
mutex_lock(&rdev->mtx);
} else
rdev = ERR_PTR(-ENODEV);
dev_put(dev);
out:
mutex_unlock(&cfg80211_mutex);
return rdev;
}
/* requires cfg80211_mutex to be held */
int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
char *newname)
......
......@@ -164,10 +164,6 @@ int get_wiphy_idx(struct wiphy *wiphy);
/* requires cfg80211_rdev_mutex to be held! */
struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
/* identical to cfg80211_get_dev_from_info but only operate on ifindex */
extern struct cfg80211_registered_device *
cfg80211_get_dev_from_ifindex(struct net *net, int ifindex);
int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
struct net *net);
......
......@@ -1040,6 +1040,27 @@ void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *pub)
EXPORT_SYMBOL(cfg80211_unlink_bss);
#ifdef CONFIG_CFG80211_WEXT
static struct cfg80211_registered_device *
cfg80211_get_dev_from_ifindex(struct net *net, int ifindex)
{
struct cfg80211_registered_device *rdev = ERR_PTR(-ENODEV);
struct net_device *dev;
mutex_lock(&cfg80211_mutex);
dev = dev_get_by_index(net, ifindex);
if (!dev)
goto out;
if (dev->ieee80211_ptr) {
rdev = wiphy_to_dev(dev->ieee80211_ptr->wiphy);
mutex_lock(&rdev->mtx);
} else
rdev = ERR_PTR(-ENODEV);
dev_put(dev);
out:
mutex_unlock(&cfg80211_mutex);
return rdev;
}
int cfg80211_wext_siwscan(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
......
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