openwrtv4/package/kernel/mac80211/patches/324-v4.16-0001-brcmfmac-Fix-check-for-ISO3166-code.patch

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From 9b9322db5c5a1917a66c71fe47c3848a9a31227e Mon Sep 17 00:00:00 2001
From: Stefan Wahren <stefan.wahren@i2se.com>
Date: Wed, 14 Mar 2018 20:02:59 +0100
Subject: [PATCH] brcmfmac: Fix check for ISO3166 code
The commit "regulatory: add NUL to request alpha2" increases the length of
alpha2 to 3. This causes a regression on brcmfmac, because
brcmf_cfg80211_reg_notifier() expect valid ISO3166 codes in the complete
array. So fix this accordingly.
Fixes: 657308f73e67 ("regulatory: add NUL to request alpha2")
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Acked-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---
drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -6803,7 +6803,7 @@ static void brcmf_cfg80211_reg_notifier(
return;
/* ignore non-ISO3166 country codes */
- for (i = 0; i < sizeof(req->alpha2); i++)
+ for (i = 0; i < 2; i++)
if (req->alpha2[i] < 'A' || req->alpha2[i] > 'Z') {
brcmf_err("not an ISO3166 code (0x%02x 0x%02x)\n",
req->alpha2[0], req->alpha2[1]);