From: Johannes Berg <[email protected]>

This function can only deal with treatment values OK and ALREADY_SET
so make the callees not return anything else and warn if they do.

Signed-off-by: Johannes Berg <[email protected]>
---
 net/wireless/reg.c | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 5532ecc080e5..6118c1e664be 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -2026,14 +2026,13 @@ reg_process_hint_driver(struct wiphy *wiphy,
                break;
        case REG_REQ_IGNORE:
                reg_free_request(driver_request);
-               return treatment;
+               return REG_REQ_OK;
        case REG_REQ_INTERSECT:
-               /* fall through */
        case REG_REQ_ALREADY_SET:
                regd = reg_copy_regd(get_cfg80211_regdom());
                if (IS_ERR(regd)) {
                        reg_free_request(driver_request);
-                       return REG_REQ_IGNORE;
+                       return REG_REQ_OK;
                }
 
                tmp = get_wiphy_regdom(wiphy);
@@ -2054,7 +2053,7 @@ reg_process_hint_driver(struct wiphy *wiphy,
                nl80211_send_reg_change_event(driver_request);
                reg_update_last_request(driver_request);
                reg_set_request_processed();
-               return treatment;
+               return REG_REQ_ALREADY_SET;
        }
 
        if (reg_query_database(driver_request))
@@ -2128,10 +2127,10 @@ reg_process_hint_country_ie(struct wiphy *wiphy,
        case REG_REQ_OK:
                break;
        case REG_REQ_IGNORE:
-               /* fall through */
+               return REG_REQ_OK;
        case REG_REQ_ALREADY_SET:
                reg_free_request(country_ie_request);
-               return treatment;
+               return REG_REQ_ALREADY_SET;
        case REG_REQ_INTERSECT:
                reg_free_request(country_ie_request);
                /*
@@ -2139,7 +2138,7 @@ reg_process_hint_country_ie(struct wiphy *wiphy,
                 * ever want to support it for this case.
                 */
                WARN_ONCE(1, "Unexpected intersection for country IEs");
-               return REG_REQ_IGNORE;
+               return REG_REQ_OK;
        }
 
        country_ie_request->intersect = false;
@@ -2184,6 +2183,9 @@ static void reg_process_hint(struct regulatory_request 
*reg_request)
                goto out_free;
        }
 
+       WARN(treatment != REG_REQ_OK && treatment != REG_REQ_ALREADY_SET,
+            "unexpected treatment value %d\n", treatment);
+
        /* This is required so that the orig_* parameters are saved.
         * NOTE: treatment must be set for any case that reaches here!
         */
-- 
2.5.1

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