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From:   Arend van Spriel <arend.vanspriel@broadcom.com>
To:     Johannes Berg <johannes@sipsolutions.net>
Cc:     linux-wireless@vger.kernel.org,
        Arend van Spriel <arend.vanspriel@broadcom.com>
Subject: [PATCH] cfg80211: fix boundary value in ieee80211_frequency_to_channel()
Date:   Tue,  3 Sep 2019 13:39:32 +0200
Message-Id: <1567510772-24263-1-git-send-email-arend.vanspriel@broadcom.com>
Sender: linux-wireless-owner@vger.kernel.org
Precedence: bulk

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>
---
 net/wireless/util.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/wireless/util.c b/net/wireless/util.c
index c999390..006f3ea 100644
--- 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 */
-- 
1.9.1