diff options
| author | Ilan Peer <ilan.peer@intel.com> | 2024-08-08 23:22:44 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2024-08-27 10:28:54 +0200 |
| commit | 1987bf29f891d30c7d85d7da179a67628c3fe8e6 (patch) | |
| tree | 49a0be45e2da09e78cb920672a0513498723f884 | |
| parent | 4d8ff1f7df43ee8560818b0b6cdec6e9ce703748 (diff) | |
wifi: iwlwifi: mvm: Stop processing MCC update if there was no change
When processing a MCC update notification from the firmware, if
the firmware indicates that the regulatory configuration didn't
change, abort the flow and do not notify higher layers.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240808232017.60dd273d00e0.I985b3bc61ca4a6cac7c1d1365b5c0afba04f3031@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/nvm.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c index 836ca22597bc..80ec59c58ae4 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c @@ -611,6 +611,7 @@ void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, char mcc[3]; struct ieee80211_regdomain *regd; int wgds_tbl_idx; + bool changed = false; lockdep_assert_held(&mvm->mutex); @@ -630,10 +631,15 @@ void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, IWL_DEBUG_LAR(mvm, "RX: received chub update mcc cmd (mcc '%s' src %d)\n", mcc, src); - regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, mcc, src, NULL); + regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, mcc, src, &changed); if (IS_ERR_OR_NULL(regd)) return; + if (!changed) { + IWL_DEBUG_LAR(mvm, "RX: No change in the regulatory data\n"); + goto out; + } + wgds_tbl_idx = iwl_mvm_get_sar_geo_profile(mvm); if (wgds_tbl_idx < 1) IWL_DEBUG_INFO(mvm, @@ -644,5 +650,7 @@ void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, wgds_tbl_idx); regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); + +out: kfree(regd); } |