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Diffstat (limited to 'net/ieee80211/ieee80211_geo.c')
-rw-r--r--net/ieee80211/ieee80211_geo.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/net/ieee80211/ieee80211_geo.c b/net/ieee80211/ieee80211_geo.c
index 3027153940f..192243ab35e 100644
--- a/net/ieee80211/ieee80211_geo.c
+++ b/net/ieee80211/ieee80211_geo.c
@@ -50,7 +50,8 @@ int ieee80211_is_valid_channel(struct ieee80211_device *ieee, u8 channel)
/* Driver needs to initialize the geography map before using
* these helper functions */
- BUG_ON(ieee->geo.bg_channels == 0 && ieee->geo.a_channels == 0);
+ if (ieee->geo.bg_channels == 0 && ieee->geo.a_channels == 0)
+ return 0;
if (ieee->freq_band & IEEE80211_24GHZ_BAND)
for (i = 0; i < ieee->geo.bg_channels; i++)
@@ -78,7 +79,8 @@ int ieee80211_channel_to_index(struct ieee80211_device *ieee, u8 channel)
/* Driver needs to initialize the geography map before using
* these helper functions */
- BUG_ON(ieee->geo.bg_channels == 0 && ieee->geo.a_channels == 0);
+ if (ieee->geo.bg_channels == 0 && ieee->geo.a_channels == 0)
+ return -1;
if (ieee->freq_band & IEEE80211_24GHZ_BAND)
for (i = 0; i < ieee->geo.bg_channels; i++)
@@ -99,7 +101,8 @@ u8 ieee80211_freq_to_channel(struct ieee80211_device * ieee, u32 freq)
/* Driver needs to initialize the geography map before using
* these helper functions */
- BUG_ON(ieee->geo.bg_channels == 0 && ieee->geo.a_channels == 0);
+ if (ieee->geo.bg_channels == 0 && ieee->geo.a_channels == 0)
+ return 0;
freq /= 100000;