cfg80211: reg: clarify 'treatment' handling in reg_process_hint()
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 <johannes.berg@intel.com>
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 85cad88..a95fc3a 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -2026,14 +2026,13 @@
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 @@
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 @@
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 @@
* 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 @@
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!
*/