diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
index 1ba3a559c1d6..79f4ac8cbc72 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
@@ -880,7 +880,7 @@ static ssize_t iwl_dbgfs_tas_get_status_read(struct file *file,
 				 le16_to_cpu(rsp->block_list[i]));
 
 	pos += scnprintf(pos, endpos - pos, "\nOEM name: %s\n",
-			 dmi_get_system_info(DMI_SYS_VENDOR));
+			 dmi_get_system_info(DMI_SYS_VENDOR) ?: "<unknown>");
 	pos += scnprintf(pos, endpos - pos, "\tVendor In Approved List: %s\n",
 			 iwl_is_tas_approved() ? "YES" : "NO");
 	pos += scnprintf(pos, endpos - pos,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 738e90a4fe2f..b596a1a83750 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -1159,7 +1159,7 @@ static void iwl_mvm_tas_init(struct iwl_mvm *mvm)
 	if (!iwl_is_tas_approved()) {
 		IWL_DEBUG_RADIO(mvm,
 				"System vendor '%s' is not in the approved list, disabling TAS in US and Canada.\n",
-				dmi_get_system_info(DMI_SYS_VENDOR));
+				dmi_get_system_info(DMI_SYS_VENDOR) ?: "<unknown>");
 		if ((!iwl_mvm_add_to_tas_block_list(data.block_list_array,
 						    &data.block_list_size,
 						    IWL_MCC_US)) ||
@@ -1173,7 +1173,7 @@ static void iwl_mvm_tas_init(struct iwl_mvm *mvm)
 	} else {
 		IWL_DEBUG_RADIO(mvm,
 				"System vendor '%s' is in the approved list.\n",
-				dmi_get_system_info(DMI_SYS_VENDOR));
+				dmi_get_system_info(DMI_SYS_VENDOR) ?: "<unknown>");
 	}
 
 	fw_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id,