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brcmfmac: Fix check for ISO3166 code

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commit 9b9322db5c5a1917a66c71fe47c3848a9a31227e upstream.

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>
[bwh: Backported to 4.4: adjust filename]
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Stefan Wahren 2018-03-14 20:02:59 +01:00 committed by Greg Kroah-Hartman
parent 12958d0ffa
commit a1b993e1cf
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
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@ -6167,7 +6167,7 @@ static void brcmf_cfg80211_reg_notifier(struct wiphy *wiphy,
req->alpha2[0], req->alpha2[1]);
/* 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 a ISO3166 code\n");
return;