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cfg80211: fix boundary value in ieee80211_frequency_to_channel() 

The boundary value used for the 6G band was incorrect as it would
result in invalid 6G channel number for certain frequencies.

Reported-by: Amar Singhal <asinghal@codeaurora.org>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Link: https://lore.kernel.org/r/1567510772-24263-1-git-send-email-arend.vanspriel@broadcom.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Arend van Spriel 2019-09-03 13:39:32 +02:00 committed by Johannes Berg
parent c8cd6e7f15
commit df5d7a88bc
1 changed files with 1 additions and 1 deletions
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2
net/wireless/util.c
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@ -116,7 +116,7 @@ int ieee80211_frequency_to_channel(int freq)
return (freq - 2407) / 5; return (freq - 2407) / 5;
else if (freq >= 4910 && freq <= 4980) else if (freq >= 4910 && freq <= 4980)
return (freq - 4000) / 5; return (freq - 4000) / 5;
else if (freq < 5940) else if (freq < 5945)
return (freq - 5000) / 5; return (freq - 5000) / 5;
else if (freq <= 45000) /* DMG band lower limit */ else if (freq <= 45000) /* DMG band lower limit */
/* see 802.11ax D4.1 27.3.22.2 */ /* see 802.11ax D4.1 27.3.22.2 */