nl80211: change __cfg80211_rdev_from_info

Change the function to __cfg80211_rdev_from_attrs
to take attributes instead of the info struct to
make it usable from dump callbacks for testmode.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index af23291..7e94d4d 100644 (file)
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -71,23 +71,23 @@ static int get_rdev_dev_by_ifindex(struct net *netns, struct nlattr **attrs,
 }
 
 static struct cfg80211_registered_device *
-__cfg80211_rdev_from_info(struct net *netns, struct genl_info *info)
+__cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
 {
        struct cfg80211_registered_device *rdev = NULL, *tmp;
        struct net_device *netdev;
 
        assert_cfg80211_lock();
 
-       if (!info->attrs[NL80211_ATTR_WIPHY] &&
-           !info->attrs[NL80211_ATTR_IFINDEX])
+       if (!attrs[NL80211_ATTR_WIPHY] &&
+           !attrs[NL80211_ATTR_IFINDEX])
                return ERR_PTR(-EINVAL);
 
-       if (info->attrs[NL80211_ATTR_WIPHY])
+       if (attrs[NL80211_ATTR_WIPHY])
                rdev = cfg80211_rdev_by_wiphy_idx(
-                               nla_get_u32(info->attrs[NL80211_ATTR_WIPHY]));
+                               nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
 
-       if (info->attrs[NL80211_ATTR_IFINDEX]) {
-               int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
+       if (attrs[NL80211_ATTR_IFINDEX]) {
+               int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
                netdev = dev_get_by_index(netns, ifindex);
                if (netdev) {
                        if (netdev->ieee80211_ptr)
@@ -145,7 +145,7 @@ cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
        struct cfg80211_registered_device *rdev;
 
        mutex_lock(&cfg80211_mutex);
-       rdev = __cfg80211_rdev_from_info(netns, info);
+       rdev = __cfg80211_rdev_from_attrs(netns, info->attrs);
 
        /* if it is not an error we grab the lock on
         * it to assure it won't be going away while
@@ -1422,7 +1422,8 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
        }
 
        if (!netdev) {
-               rdev = __cfg80211_rdev_from_info(genl_info_net(info), info);
+               rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
+                                                 info->attrs);
                if (IS_ERR(rdev)) {
                        mutex_unlock(&cfg80211_mutex);
                        return PTR_ERR(rdev);