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-rw-r--r--net/wireless/core.c63
1 files changed, 0 insertions, 63 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c
index a87d43552974..907f62c80e28 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -96,69 +96,6 @@ struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx)
96 return &rdev->wiphy; 96 return &rdev->wiphy;
97} 97}
98 98
99/* requires cfg80211_mutex to be held! */
100struct cfg80211_registered_device *
101__cfg80211_rdev_from_info(struct genl_info *info)
102{
103 int ifindex;
104 struct cfg80211_registered_device *bywiphyidx = NULL, *byifidx = NULL;
105 struct net_device *dev;
106 int err = -EINVAL;
107
108 assert_cfg80211_lock();
109
110 if (info->attrs[NL80211_ATTR_WIPHY]) {
111 bywiphyidx = cfg80211_rdev_by_wiphy_idx(
112 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY]));
113 err = -ENODEV;
114 }
115
116 if (info->attrs[NL80211_ATTR_IFINDEX]) {
117 ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
118 dev = dev_get_by_index(genl_info_net(info), ifindex);
119 if (dev) {
120 if (dev->ieee80211_ptr)
121 byifidx =
122 wiphy_to_dev(dev->ieee80211_ptr->wiphy);
123 dev_put(dev);
124 }
125 err = -ENODEV;
126 }
127
128 if (bywiphyidx && byifidx) {
129 if (bywiphyidx != byifidx)
130 return ERR_PTR(-EINVAL);
131 else
132 return bywiphyidx; /* == byifidx */
133 }
134 if (bywiphyidx)
135 return bywiphyidx;
136
137 if (byifidx)
138 return byifidx;
139
140 return ERR_PTR(err);
141}
142
143struct cfg80211_registered_device *
144cfg80211_get_dev_from_info(struct genl_info *info)
145{
146 struct cfg80211_registered_device *rdev;
147
148 mutex_lock(&cfg80211_mutex);
149 rdev = __cfg80211_rdev_from_info(info);
150
151 /* if it is not an error we grab the lock on
152 * it to assure it won't be going away while
153 * we operate on it */
154 if (!IS_ERR(rdev))
155 mutex_lock(&rdev->mtx);
156
157 mutex_unlock(&cfg80211_mutex);
158
159 return rdev;
160}
161
162struct cfg80211_registered_device * 99struct cfg80211_registered_device *
163cfg80211_get_dev_from_ifindex(struct net *net, int ifindex) 100cfg80211_get_dev_from_ifindex(struct net *net, int ifindex)
164{ 101{