4.4-stable review patch. If anyone has any objections, please let me know.
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[ Upstream commit 93183bdbe73bbdd03e9566c8dc37c9d06b0d0db6 ]
Recently, DMG frequency bands have been extended till 71GHz, so extend the range check till 20GHz (45-71GHZ), else some channels will be marked as disabled.
Signed-off-by: Chaitanya Tata Chaitanya.Tata@bluwireless.co.uk Signed-off-by: Johannes Berg johannes.berg@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- net/wireless/reg.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 50dffd183cc63..429abf4219064 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -780,7 +780,7 @@ static bool reg_does_bw_fit(const struct ieee80211_freq_range *freq_range, * definitions (the "2.4 GHz band", the "5 GHz band" and the "60GHz band"), * however it is safe for now to assume that a frequency rule should not be * part of a frequency's band if the start freq or end freq are off by more - * than 2 GHz for the 2.4 and 5 GHz bands, and by more than 10 GHz for the + * than 2 GHz for the 2.4 and 5 GHz bands, and by more than 20 GHz for the * 60 GHz band. * This resolution can be lowered and should be considered as we add * regulatory rule support for other "bands". @@ -795,7 +795,7 @@ static bool freq_in_rule_band(const struct ieee80211_freq_range *freq_range, * with the Channel starting frequency above 45 GHz. */ u32 limit = freq_khz > 45 * ONE_GHZ_IN_KHZ ? - 10 * ONE_GHZ_IN_KHZ : 2 * ONE_GHZ_IN_KHZ; + 20 * ONE_GHZ_IN_KHZ : 2 * ONE_GHZ_IN_KHZ; if (abs(freq_khz - freq_range->start_freq_khz) <= limit) return true; if (abs(freq_khz - freq_range->end_freq_khz) <= limit)