diff options
-rw-r--r-- | arch/mips/kernel/setup.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 693e8d1a174c..38815f78c819 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -673,13 +673,15 @@ static void __init arch_mem_init(char **cmdline_p) strlcpy(boot_command_line, arcs_cmdline, COMMAND_LINE_SIZE); if (EXTEND_WITH_PROM && arcs_cmdline[0]) { - strlcat(boot_command_line, " ", COMMAND_LINE_SIZE); + if (boot_command_line[0]) + strlcat(boot_command_line, " ", COMMAND_LINE_SIZE); strlcat(boot_command_line, arcs_cmdline, COMMAND_LINE_SIZE); } #if defined(CONFIG_CMDLINE_BOOL) if (builtin_cmdline[0]) { - strlcat(boot_command_line, " ", COMMAND_LINE_SIZE); + if (boot_command_line[0]) + strlcat(boot_command_line, " ", COMMAND_LINE_SIZE); strlcat(boot_command_line, builtin_cmdline, COMMAND_LINE_SIZE); } #endif |