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-rw-r--r--drivers/net/wireless/iwlwifi/mvm/mac80211.c14
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/scan.c37
2 files changed, 48 insertions, 3 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 213bd72..07344e11 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -1413,6 +1413,20 @@ void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
*/
clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
+ /* We shouldn't have any UIDs still set. Loop over all the UIDs to
+ * make sure there's nothing left there and warn if any is found.
+ */
+ if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) {
+ int i;
+
+ for (i = 0; i < IWL_MVM_MAX_SIMULTANEOUS_SCANS; i++) {
+ if (WARN_ONCE(mvm->scan_uid[i],
+ "UMAC scan UID %d was not cleaned\n",
+ mvm->scan_uid[i]))
+ mvm->scan_uid[i] = 0;
+ }
+ }
+
mvm->ucode_loaded = false;
}
diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c
index 2997864..74e1c86 100644
--- a/drivers/net/wireless/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/mvm/scan.c
@@ -1179,6 +1179,18 @@ static bool iwl_mvm_find_scan_type(struct iwl_mvm *mvm,
return false;
}
+static int iwl_mvm_find_first_scan(struct iwl_mvm *mvm,
+ enum iwl_umac_scan_uid_type type)
+{
+ int i;
+
+ for (i = 0; i < IWL_MVM_MAX_SIMULTANEOUS_SCANS; i++)
+ if (mvm->scan_uid[i] & type)
+ return i;
+
+ return i;
+}
+
static u32 iwl_generate_scan_uid(struct iwl_mvm *mvm,
enum iwl_umac_scan_uid_type type)
{
@@ -1629,11 +1641,30 @@ int iwl_mvm_scan_size(struct iwl_mvm *mvm)
void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm)
{
if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) {
- if (iwl_mvm_find_scan_type(mvm, IWL_UMAC_SCAN_UID_REG_SCAN))
+ u32 uid, i;
+
+ uid = iwl_mvm_find_first_scan(mvm, IWL_UMAC_SCAN_UID_REG_SCAN);
+ if (uid < IWL_MVM_MAX_SIMULTANEOUS_SCANS) {
ieee80211_scan_completed(mvm->hw, true);
- if (iwl_mvm_find_scan_type(mvm, IWL_UMAC_SCAN_UID_SCHED_SCAN) &&
- !mvm->restart_fw)
+ mvm->scan_uid[uid] = 0;
+ }
+ uid = iwl_mvm_find_first_scan(mvm,
+ IWL_UMAC_SCAN_UID_SCHED_SCAN);
+ if (uid < IWL_MVM_MAX_SIMULTANEOUS_SCANS && !mvm->restart_fw) {
ieee80211_sched_scan_stopped(mvm->hw);
+ mvm->scan_uid[uid] = 0;
+ }
+
+ /* We shouldn't have any UIDs still set. Loop over all the
+ * UIDs to make sure there's nothing left there and warn if
+ * any is found.
+ */
+ for (i = 0; i < IWL_MVM_MAX_SIMULTANEOUS_SCANS; i++) {
+ if (WARN_ONCE(mvm->scan_uid[i],
+ "UMAC scan UID %d was not cleaned\n",
+ mvm->scan_uid[i]))
+ mvm->scan_uid[i] = 0;
+ }
} else {
switch (mvm->scan_status) {
case IWL_MVM_SCAN_NONE:
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