diff options
| -rw-r--r-- | cmd/fdt.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/cmd/fdt.c b/cmd/fdt.c index 29d748891d0..734c9b36a07 100644 --- a/cmd/fdt.c +++ b/cmd/fdt.c @@ -597,7 +597,12 @@ static int do_fdt(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) * Set boot cpu id */ } else if (strncmp(argv[1], "boo", 3) == 0) { - unsigned long tmp = hextoul(argv[2], NULL); + unsigned long tmp; + + if (argc != 3) + return CMD_RET_USAGE; + + tmp = hextoul(argv[2], NULL); fdt_set_boot_cpuid_phys(working_fdt, tmp); /* |