1 files changed, 22 insertions, 3 deletions

diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index fff66ab2cfda..a6df00d675b7 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -1708,9 +1708,26 @@ static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
 
         mutex_lock(&mvm->mutex);
 
-        if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
-                IWL_DEBUG_SCAN(mvm,
-                               "SCHED SCAN request during internal scan - abort\n");
+        switch (mvm->scan_status) {
+        case IWL_MVM_SCAN_OS:
+                IWL_DEBUG_SCAN(mvm, "Stopping previous scan for sched_scan\n");
+                ret = iwl_mvm_cancel_scan(mvm);
+                if (ret) {
+                        ret = -EBUSY;
+                        goto out;
+                }
+
+                /*
+                 * iwl_mvm_rx_scan_complete() will be called soon but will
+                 * not reset the scan status as it won't be IWL_MVM_SCAN_OS
+                 * any more since we queue the next scan immediately (below).
+                 * We make sure it is called before the next scan starts by
+                 * flushing the async-handlers work.
+                 */
+                break;
+        case IWL_MVM_SCAN_NONE:
+                break;
+        default:
                 ret = -EBUSY;
                 goto out;
         }
@@ -1732,6 +1749,8 @@ err:
         mvm->scan_status = IWL_MVM_SCAN_NONE;
 out:
         mutex_unlock(&mvm->mutex);
+        /* make sure to flush the Rx handler before the next scan arrives */
+        iwl_mvm_wait_for_async_handlers(mvm);
         return ret;
 }