iwlwifi: mvm: request statistics when reading debugfs

When statistics are read from debugfs, make sure that they
are actually updated from the firmware.
Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c

@@ -759,6 +759,9 @@ static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
 
 	mutex_lock(&mvm->mutex);
 
+	if (iwl_mvm_firmware_running(mvm))
+		iwl_mvm_request_statistics(mvm, false);
+
 	pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 			 "Statistics_Rx - OFDM");
 	if (!iwl_mvm_has_new_rx_stats_api(mvm)) {