cfg80211: process user requests only after previous user/driver/core requests

This prevents user regulatory changes to be considered prior to previous
pending user, core or driver requests which have not be applied.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index d663795d69447aaca0e8307257648f2a48dc973b..4d2d2d4cc0d40ce904ab9bffec34f1ac568255ff 100644 (file)
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1091,6 +1091,16 @@ static int ignore_request(struct wiphy *wiphy, enum reg_set_by set_by,
                if (last_request->initiator == REGDOM_SET_BY_USER &&
                          last_request->intersect)
                        return -EOPNOTSUPP;
+               /* Process user requests only after previous user/driver/core
+                * requests have been processed */
+               if (last_request->initiator == REGDOM_SET_BY_CORE ||
+                   last_request->initiator == REGDOM_SET_BY_DRIVER ||
+                   last_request->initiator == REGDOM_SET_BY_USER) {
+                       if (!alpha2_equal(last_request->alpha2,
+                           cfg80211_regdomain->alpha2))
+                               return -EAGAIN;
+               }
+
                return 0;
        }