diff options
| -rw-r--r-- | cmd/fat.c | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -126,7 +126,7 @@ static int do_fat_fswrite(cmd_tbl_t *cmdtp, int flag, return 1; } addr = simple_strtoul(argv[3], NULL, 16); - count = simple_strtoul(argv[5], NULL, 16); + count = (argc <= 5) ? 0 : simple_strtoul(argv[5], NULL, 16); buf = map_sysmem(addr, count); ret = file_fat_write(argv[4], buf, 0, count, &size); @@ -145,7 +145,7 @@ static int do_fat_fswrite(cmd_tbl_t *cmdtp, int flag, U_BOOT_CMD( fatwrite, 6, 0, do_fat_fswrite, "write file into a dos filesystem", - "<interface> <dev[:part]> <addr> <filename> <bytes>\n" + "<interface> <dev[:part]> <addr> <filename> [<bytes>]\n" " - write file 'filename' from the address 'addr' in RAM\n" " to 'dev' on 'interface'" ); |