diff options
Diffstat (limited to 'commands/nand.c')
| -rw-r--r-- | commands/nand.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/commands/nand.c b/commands/nand.c index 79f6735a72..39fb64ef1c 100644 --- a/commands/nand.c +++ b/commands/nand.c @@ -58,6 +58,9 @@ static int do_nand(int argc, char *argv[]) } } + if (optind >= argc) + return COMMAND_ERROR_USAGE; + if (command == NAND_ADD) { while (optind < argc) { if (dev_add_bb_dev(basename(argv[optind]), NULL)) @@ -75,25 +78,23 @@ static int do_nand(int argc, char *argv[]) } if (command == NAND_MARKBAD) { - if (optind < argc) { - int ret = 0, fd; + int ret = 0, fd; - printf("marking block at 0x%08llx on %s as bad\n", - badblock, argv[optind]); + printf("marking block at 0x%08llx on %s as bad\n", + badblock, argv[optind]); - fd = open(argv[optind], O_RDWR); - if (fd < 0) { - perror("open"); - return 1; - } + fd = open(argv[optind], O_RDWR); + if (fd < 0) { + perror("open"); + return 1; + } - ret = ioctl(fd, MEMSETBADBLOCK, &badblock); - if (ret) - perror("ioctl"); + ret = ioctl(fd, MEMSETBADBLOCK, &badblock); + if (ret) + perror("ioctl"); - close(fd); - return ret; - } + close(fd); + return ret; } return 0; |