github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-02 03:24:19 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

wifi: iwlwifi: mvm: Stop processing MCC update if there was no change

Browse Source 
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>
This commit is contained in:
Ilan Peer 2024-08-08 23:22:44 +03:00 committed by Johannes Berg
parent 4d8ff1f7df
commit 1987bf29f8
1 changed files with 9 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
View File

@ -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);
}