orinoco: Drop scan results with unknown channels

If the frequency can not be mapped to a channel structure log it and drop it.

Signed-off-by: Joseph J. Gunn <armadefuego@yahoo.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/orinoco/scan.c b/drivers/net/wireless/orinoco/scan.c
index 86cb54c..e99ca1c 100644 (file)
--- a/drivers/net/wireless/orinoco/scan.c
+++ b/drivers/net/wireless/orinoco/scan.c
@@ -111,6 +111,11 @@ static void orinoco_add_hostscan_result(struct orinoco_private *priv,
 
        freq = ieee80211_dsss_chan_to_freq(le16_to_cpu(bss->a.channel));
        channel = ieee80211_get_channel(wiphy, freq);
+       if (!channel) {
+               printk(KERN_DEBUG "Invalid channel designation %04X(%04X)",
+                       bss->a.channel, freq);
+               return; /* Then ignore it for now */
+       }
        timestamp = 0;
        capability = le16_to_cpu(bss->a.capabilities);
        beacon_interval = le16_to_cpu(bss->a.beacon_interv);