diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 34f9d0f6702ab310f87f694c4019558d8605fd22..2d13d8928e2c2c174db4e7f659abbfcbb8873348 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1300,6 +1300,7 @@ struct iwl_priv {
 
 	/* command queue number */
 	u8 cmd_queue;
+	u8 last_sync_cmd_id;
 
 	/* max number of station keys */
 	u8 sta_key_max_num;
diff --git a/drivers/net/wireless/iwlwifi/iwl-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
index 76f9966231405bf50a97e89ece9381300e30c4d1..7cdb1ec73b54b7a40f015a64ec1bd8bc2861951c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-hcmd.c
+++ b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
@@ -181,7 +181,16 @@ int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 	IWL_DEBUG_INFO(priv, "Attempting to send sync command %s\n",
 			get_cmd_string(cmd->id));
 
-	set_bit(STATUS_HCMD_ACTIVE, &priv->status);
+	if (test_and_set_bit(STATUS_HCMD_ACTIVE, &priv->status)) {
+		IWL_ERR(priv, "STATUS_HCMD_ACTIVE already set while sending %s"
+			      ". Previous SYNC cmdn is %s\n",
+			get_cmd_string(cmd->id),
+			get_cmd_string(priv->last_sync_cmd_id));
+		WARN_ON(1);
+	} else {
+		priv->last_sync_cmd_id = cmd->id;
+	}
+
 	IWL_DEBUG_INFO(priv, "Setting HCMD_ACTIVE for command %s\n",
 			get_cmd_string(cmd->id));