diff options
| author | Luis R. Rodriguez <mcgrof@do-not-panic.com> | 2013-11-05 09:18:07 -0800 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-11-25 20:51:14 +0100 |
| commit | 2f1c6c572d7b6cbe2e3c9bbb427769f6c79089bb (patch) | |
| tree | 116b7e4fff8d5296573031ff51ec142fd2d6073e /net/wireless/reg.c | |
| parent | b23e7a9e6b1f4c3070f9ce59e82b9dff69b11fe1 (diff) | |
| download | linux-2f1c6c572d7b6cbe2e3c9bbb427769f6c79089bb.tar.bz2 | |
cfg80211: process non country IE conflicting first
By dealing with non country IE conficts first we can shift
the code that deals with the conflict to the left. This has
no functional changes.
Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/reg.c')
| -rw-r--r-- | net/wireless/reg.c | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c index aef39243595a..875fffc284c0 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -1539,31 +1539,32 @@ __reg_process_hint_country_ie(struct wiphy *wiphy, return REG_REQ_ALREADY_SET; } - last_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx); - if (unlikely(!is_an_alpha2(country_ie_request->alpha2))) return -EINVAL; - if (lr->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) { - if (last_wiphy != wiphy) { - /* - * Two cards with two APs claiming different - * Country IE alpha2s. We could - * intersect them, but that seems unlikely - * to be correct. Reject second one for now. - */ - if (regdom_changes(country_ie_request->alpha2)) - return REG_REQ_IGNORE; - return REG_REQ_ALREADY_SET; - } + + if (lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE) + return REG_REQ_OK; + + last_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx); + + if (last_wiphy != wiphy) { /* - * Two consecutive Country IE hints on the same wiphy. - * This should be picked up early by the driver/stack + * Two cards with two APs claiming different + * Country IE alpha2s. We could + * intersect them, but that seems unlikely + * to be correct. Reject second one for now. */ - if (WARN_ON(regdom_changes(country_ie_request->alpha2))) - return REG_REQ_OK; + if (regdom_changes(country_ie_request->alpha2)) + return REG_REQ_IGNORE; return REG_REQ_ALREADY_SET; } - return REG_REQ_OK; + /* + * Two consecutive Country IE hints on the same wiphy. + * This should be picked up early by the driver/stack + */ + if (WARN_ON(regdom_changes(country_ie_request->alpha2))) + return REG_REQ_OK; + return REG_REQ_ALREADY_SET; } /** |