diff options
Diffstat (limited to 'arch/riscv/kernel/pi/cmdline_early.c')
| -rw-r--r-- | arch/riscv/kernel/pi/cmdline_early.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/riscv/kernel/pi/cmdline_early.c b/arch/riscv/kernel/pi/cmdline_early.c index 389d086a0718..0afbe4077cb8 100644 --- a/arch/riscv/kernel/pi/cmdline_early.c +++ b/arch/riscv/kernel/pi/cmdline_early.c @@ -12,8 +12,8 @@ static char early_cmdline[COMMAND_LINE_SIZE]; static char *get_early_cmdline(uintptr_t dtb_pa) { - const char *fdt_cmdline = NULL; - unsigned int fdt_cmdline_size = 0; + const char *fdt_cmdline; + ssize_t fdt_cmdline_size = 0; int chosen_node; if (!IS_ENABLED(CONFIG_CMDLINE_FORCE)) { @@ -22,18 +22,18 @@ static char *get_early_cmdline(uintptr_t dtb_pa) fdt_cmdline = fdt_getprop((void *)dtb_pa, chosen_node, "bootargs", NULL); if (fdt_cmdline) { - fdt_cmdline_size = strlen(fdt_cmdline); - strscpy(early_cmdline, fdt_cmdline, - COMMAND_LINE_SIZE); + fdt_cmdline_size = strscpy(early_cmdline, fdt_cmdline); + if (fdt_cmdline_size < 0) + return early_cmdline; } } } if (IS_ENABLED(CONFIG_CMDLINE_EXTEND) || IS_ENABLED(CONFIG_CMDLINE_FORCE) || - fdt_cmdline_size == 0 /* CONFIG_CMDLINE_FALLBACK */) { - strlcat(early_cmdline, CONFIG_CMDLINE, COMMAND_LINE_SIZE); - } + fdt_cmdline_size == 0 /* CONFIG_CMDLINE_FALLBACK */) + strscpy(early_cmdline + fdt_cmdline_size, CONFIG_CMDLINE, + COMMAND_LINE_SIZE - fdt_cmdline_size); return early_cmdline; } |