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authorFinn Behrens <me@kloenk.dev>2021-11-27 11:28:53 +0100
committerJohannes Berg <johannes.berg@intel.com>2021-11-29 09:31:56 +0100
commit1eda919126b420fee6b8d546f7f728fbbd4b8f11 (patch)
treec029d1e96082387d64bf09dd5228852f8ace7057 /net/wireless
parentaf9d3a2984dc3501acd612c657127517a1beaf9d (diff)
nl80211: reset regdom when reloading regdb
Reload the regdom when the regulatory db is reloaded. Otherwise, the user had to change the regulatoy domain to a different one and then reset it to the correct one to have a new regulatory db take effect after a reload. Signed-off-by: Finn Behrens <fin@nyantec.com> Link: https://lore.kernel.org/r/YaIIZfxHgqc/UTA7@gimli.kloenk.dev [edit commit message] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless')
-rw-r--r--net/wireless/reg.c27
1 files changed, 25 insertions, 2 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index df87c7f3a049..61f1bf1bc4a7 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -133,6 +133,7 @@ static u32 reg_is_indoor_portid;
static void restore_regulatory_settings(bool reset_user, bool cached);
static void print_regdomain(const struct ieee80211_regdomain *rd);
+static void reg_process_hint(struct regulatory_request *reg_request);
static const struct ieee80211_regdomain *get_cfg80211_regdom(void)
{
@@ -1098,6 +1099,8 @@ int reg_reload_regdb(void)
const struct firmware *fw;
void *db;
int err;
+ const struct ieee80211_regdomain *current_regdomain;
+ struct regulatory_request *request;
err = request_firmware(&fw, "regulatory.db", &reg_pdev->dev);
if (err)
@@ -1118,8 +1121,27 @@ int reg_reload_regdb(void)
if (!IS_ERR_OR_NULL(regdb))
kfree(regdb);
regdb = db;
- rtnl_unlock();
+ /* reset regulatory domain */
+ current_regdomain = get_cfg80211_regdom();
+
+ request = kzalloc(sizeof(*request), GFP_KERNEL);
+ if (!request) {
+ err = -ENOMEM;
+ goto out_unlock;
+ }
+
+ request->wiphy_idx = WIPHY_IDX_INVALID;
+ request->alpha2[0] = current_regdomain->alpha2[0];
+ request->alpha2[1] = current_regdomain->alpha2[1];
+ request->initiator = NL80211_USER_REG_HINT_USER;
+ request->user_reg_hint_type = NL80211_USER_REG_HINT_USER;
+ request->reload = true;
+
+ reg_process_hint(request);
+
+out_unlock:
+ rtnl_unlock();
out:
release_firmware(fw);
return err;
@@ -2690,7 +2712,8 @@ reg_process_hint_user(struct regulatory_request *user_request)
treatment = __reg_process_hint_user(user_request);
if (treatment == REG_REQ_IGNORE ||
- treatment == REG_REQ_ALREADY_SET)
+ (treatment == REG_REQ_ALREADY_SET &&
+ !user_request->reload))
return REG_REQ_IGNORE;
user_request->intersect = treatment == REG_REQ_INTERSECT;