1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/net/wireless/rtl8180_max2820.c b/drivers/net/wireless/rtl8180_max2820.c
index a34dfd382b6d..6c825fd7f3b6 100644
--- a/drivers/net/wireless/rtl8180_max2820.c
+++ b/drivers/net/wireless/rtl8180_max2820.c
@@ -78,7 +78,8 @@ static void max2820_rf_set_channel(struct ieee80211_hw *dev,
                                    struct ieee80211_conf *conf)
 {
         struct rtl8180_priv *priv = dev->priv;
-        int channel = ieee80211_frequency_to_channel(conf->channel->center_freq);
+        int channel = conf ?
+                ieee80211_frequency_to_channel(conf->channel->center_freq) : 1;
         unsigned int chan_idx = channel - 1;
         u32 txpw = priv->channels[chan_idx].hw_value & 0xFF;
         u32 chan = max2820_chan[chan_idx];
@@ -87,7 +88,7 @@ static void max2820_rf_set_channel(struct ieee80211_hw *dev,
          * sa2400, for MAXIM we do this directly from BB */
         rtl8180_write_phy(dev, 3, txpw);
 
-        max2820_write_phy_antenna(dev, chan);
+        max2820_write_phy_antenna(dev, channel);
         write_max2820(dev, 3, chan);
 }