diff options
Diffstat (limited to 'net/wireless/core.c')
-rw-r--r-- | net/wireless/core.c | 63 |
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! */ | ||
100 | struct 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 | |||
143 | struct cfg80211_registered_device * | ||
144 | cfg80211_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 | |||
162 | struct cfg80211_registered_device * | 99 | struct cfg80211_registered_device * |
163 | cfg80211_get_dev_from_ifindex(struct net *net, int ifindex) | 100 | cfg80211_get_dev_from_ifindex(struct net *net, int ifindex) |
164 | { | 101 | { |