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-rw-r--r--net/wireless/reg.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index f0859ea..f3b77f7 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -585,6 +585,9 @@ static int max_subband_chan(int orig_cur_chan,
break;
}
+ if (triplet->chans.num_channels == 0)
+ return 0;
+
/* Monitonically increasing channel order */
if (triplet->chans.first_channel <= end_subband_chan)
return 0;
@@ -737,6 +740,9 @@ static struct ieee80211_regdomain *country_ie_2_rd(
break;
}
+ if (triplet->chans.num_channels == 0)
+ return NULL;
+
/* 2 GHz */
if (triplet->chans.first_channel <= 14)
end_channel = triplet->chans.first_channel +