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nl80211: change __cfg80211_rdev_from_info

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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>
This commit is contained in:
Johannes Berg 2012-06-15 14:18:32 +02:00
parent 4f7eff10b2
commit 878d9ec736
1 changed files with 10 additions and 9 deletions
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19
net/wireless/nl80211.c
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@ -71,23 +71,23 @@ static int get_rdev_dev_by_ifindex(struct net *netns, struct nlattr **attrs,
} }
static struct cfg80211_registered_device * 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 cfg80211_registered_device *rdev = NULL, *tmp;
struct net_device *netdev; struct net_device *netdev;
assert_cfg80211_lock(); assert_cfg80211_lock();
if (!info->attrs[NL80211_ATTR_WIPHY] && if (!attrs[NL80211_ATTR_WIPHY] &&
!info->attrs[NL80211_ATTR_IFINDEX]) !attrs[NL80211_ATTR_IFINDEX])
return ERR_PTR(-EINVAL); return ERR_PTR(-EINVAL);
if (info->attrs[NL80211_ATTR_WIPHY]) if (attrs[NL80211_ATTR_WIPHY])
rdev = cfg80211_rdev_by_wiphy_idx( 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]) { if (attrs[NL80211_ATTR_IFINDEX]) {
int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
netdev = dev_get_by_index(netns, ifindex); netdev = dev_get_by_index(netns, ifindex);
if (netdev) { if (netdev) {
if (netdev->ieee80211_ptr) 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; struct cfg80211_registered_device *rdev;
mutex_lock(&cfg80211_mutex); 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 /* if it is not an error we grab the lock on
* it to assure it won't be going away while * 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) { 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)) { if (IS_ERR(rdev)) {
mutex_unlock(&cfg80211_mutex); mutex_unlock(&cfg80211_mutex);
return PTR_ERR(rdev); return PTR_ERR(rdev);