--- zzzz-none-000/linux-4.4.60/arch/mips/fw/lib/cmdline.c	2017-04-08 07:53:53.000000000 +0000
+++ scorpion-7490-727/linux-4.4.60/arch/mips/fw/lib/cmdline.c	2021-02-04 17:41:59.000000000 +0000
@@ -35,6 +35,7 @@
 	else
 		_fw_envp = (int *)fw_arg2;
 
+	arcs_cmdline[0] = '\0';
 	for (i = 1; i < fw_argc; i++) {
 		strlcat(arcs_cmdline, fw_argv(i), COMMAND_LINE_SIZE);
 		if (i < (fw_argc - 1))