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authorJohannes Berg <johannes.berg@intel.com>2013-05-08 21:34:22 +0200
committerJohannes Berg <johannes.berg@intel.com>2013-05-25 00:02:13 +0200
commit9f419f3851041e0c8170629f0639813dbfc79d5e (patch)
tree881b599ab8ee0c0924d7152bf4e330aa36213609
parentdde7dc759b777f385fc5df2af691c82eb455c7f3 (diff)
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: Johannes Berg <johannes.berg@intel.com>
-rw-r--r--net/wireless/core.c21
-rw-r--r--net/wireless/core.h4
-rw-r--r--net/wireless/scan.c21
3 files changed, 21 insertions, 25 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 58e69d691601..cc49cf11c7a7 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -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)
diff --git a/net/wireless/core.h b/net/wireless/core.h
index fd35dae547c4..95b29075a9c8 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -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);
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index fd99ea495b7e..2ce44a712f13 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -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)