ath: move common dynamic regulatory domain setting to a helper

This moves the dynamic regulatory domain selection code into
a helper.

Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c
index 7d077c7..8373650 100644 (file)
--- a/drivers/net/wireless/ath/regd.c
+++ b/drivers/net/wireless/ath/regd.c
@@ -356,14 +356,48 @@ static u16 ath_regd_find_country_by_name(char *alpha2)
        return -1;
 }
 
+static int __ath_reg_dyn_country(struct wiphy *wiphy,
+                                struct ath_regulatory *reg,
+                                struct regulatory_request *request)
+{
+       u16 country_code;
+
+       if (!ath_is_world_regd(reg))
+               return -EINVAL;
+
+       country_code = ath_regd_find_country_by_name(request->alpha2);
+       if (country_code == (u16) -1)
+               return -EINVAL;
+
+       reg->current_rd = COUNTRY_ERD_FLAG;
+       reg->current_rd |= country_code;
+
+       __ath_regd_init(reg);
+
+       ath_reg_apply_world_flags(wiphy, request->initiator, reg);
+
+       return 0;
+}
+
+static void ath_reg_dyn_country(struct wiphy *wiphy,
+                               struct ath_regulatory *reg,
+                               struct regulatory_request *request)
+{
+       if (__ath_reg_dyn_country(wiphy, reg, request))
+               return;
+
+       printk(KERN_DEBUG "ath: regdomain 0x%0x "
+                         "dynamically updated by %s\n",
+              reg->current_rd,
+              reg_initiator_name(request->initiator));
+}
+
 void ath_reg_notifier_apply(struct wiphy *wiphy,
                            struct regulatory_request *request,
                            struct ath_regulatory *reg)
 {
        struct ath_common *common = container_of(reg, struct ath_common,
                                                 regulatory);
-       u16 country_code;
-
        /* We always apply this */
        ath_reg_apply_radar_flags(wiphy);
 
@@ -391,22 +425,7 @@ void ath_reg_notifier_apply(struct wiphy *wiphy,
        case NL80211_REGDOM_SET_BY_USER:
                break;
        case NL80211_REGDOM_SET_BY_COUNTRY_IE:
-               if (!ath_is_world_regd(reg))
-                       break;
-
-               country_code = ath_regd_find_country_by_name(request->alpha2);
-               if (country_code == (u16) -1)
-                       break;
-
-               reg->current_rd = COUNTRY_ERD_FLAG;
-               reg->current_rd |= country_code;
-
-               printk(KERN_DEBUG "ath: regdomain 0x%0x updated by CountryIE\n",
-                       reg->current_rd);
-               __ath_regd_init(reg);
-
-               ath_reg_apply_world_flags(wiphy, request->initiator, reg);
-
+               ath_reg_dyn_country(wiphy, reg, request);
                break;
        }
 }