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-rw-r--r--net/wireless/core.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c
index cfc5fc5f9e7..80afacdae46 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -232,6 +232,47 @@ int wiphy_register(struct wiphy *wiphy)
{
struct cfg80211_registered_device *drv = wiphy_to_dev(wiphy);
int res;
+ enum ieee80211_band band;
+ struct ieee80211_supported_band *sband;
+ bool have_band = false;
+ int i;
+
+ /* sanity check supported bands/channels */
+ for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+ sband = wiphy->bands[band];
+ if (!sband)
+ continue;
+
+ sband->band = band;
+
+ if (!sband->n_channels || !sband->n_bitrates) {
+ WARN_ON(1);
+ return -EINVAL;
+ }
+
+ for (i = 0; i < sband->n_channels; i++) {
+ sband->channels[i].orig_flags =
+ sband->channels[i].flags;
+ sband->channels[i].orig_mag =
+ sband->channels[i].max_antenna_gain;
+ sband->channels[i].orig_mpwr =
+ sband->channels[i].max_power;
+ sband->channels[i].band = band;
+ }
+
+ have_band = true;
+ }
+
+ if (!have_band) {
+ WARN_ON(1);
+ return -EINVAL;
+ }
+
+ /* check and set up bitrates */
+ ieee80211_set_bitrate_flags(wiphy);
+
+ /* set up regulatory info */
+ wiphy_update_regulatory(wiphy);
mutex_lock(&cfg80211_drv_mutex);