iwlwifi: do not register bands with no supported channels
Otherwise, b/g-only devices fail in wiphy_register.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index 44cfd02..9ae3d29 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -5001,8 +5001,12 @@
priv->bands[IEEE80211_BAND_2GHZ].n_channels,
priv->bands[IEEE80211_BAND_5GHZ].n_channels);
- priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->bands[IEEE80211_BAND_2GHZ];
- priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &priv->bands[IEEE80211_BAND_5GHZ];
+ if (priv->bands[IEEE80211_BAND_2GHZ].n_channels)
+ priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
+ &priv->bands[IEEE80211_BAND_2GHZ];
+ if (priv->bands[IEEE80211_BAND_5GHZ].n_channels)
+ priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
+ &priv->bands[IEEE80211_BAND_5GHZ];
set_bit(STATUS_GEO_CONFIGURED, &priv->status);