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>

diff --git a/net/wireless/util.c b/net/wireless/util.c
index c99939067bb01e20893f6487ed5f2987f6be53d5..006f3eac00f790f77a2fa67f75f95dc848ce1d05 100644 (file)
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -116,7 +116,7 @@ int ieee80211_frequency_to_channel(int freq)
                return (freq - 2407) / 5;
        else if (freq >= 4910 && freq <= 4980)
                return (freq - 4000) / 5;
-       else if (freq < 5940)
+       else if (freq < 5945)
                return (freq - 5000) / 5;
        else if (freq <= 45000) /* DMG band lower limit */
                /* see 802.11ax D4.1 27.3.22.2 */