diff options
| -rw-r--r-- | cmd/mtdparts.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/cmd/mtdparts.c b/cmd/mtdparts.c index 7860ed9f52..53074a1e85 100644 --- a/cmd/mtdparts.c +++ b/cmd/mtdparts.c @@ -142,6 +142,8 @@ static struct list_head devices; struct mtd_device *current_mtd_dev = NULL; u8 current_mtd_partnum = 0; +u8 use_defaults; + static struct part_info* mtd_part_info(struct mtd_device *dev, unsigned int part_num); /* command line only routines */ @@ -1723,6 +1725,7 @@ int mtdparts_init(void) memset(last_ids, 0, MTDIDS_MAXLEN); memset(last_parts, 0, MTDPARTS_MAXLEN); memset(last_partition, 0, PARTITION_MAXLEN); + use_defaults = 1; initialized = 1; } @@ -1761,10 +1764,16 @@ int mtdparts_init(void) return 1; } - /* do no try to use defaults when mtdparts variable is not defined, - * just check the length */ - if (!parts) - printf("mtdparts variable not set, see 'help mtdparts'\n"); + /* use defaults when mtdparts variable is not defined + * once mtdparts is saved environment, drop use_defaults flag */ + if (!parts) { + if (mtdparts_default && use_defaults) { + parts = mtdparts_default; + if (setenv("mtdparts", (char *)parts) == 0) + use_defaults = 0; + } else + printf("mtdparts variable not set, see 'help mtdparts'\n"); + } if (parts && (strlen(parts) > MTDPARTS_MAXLEN - 1)) { printf("mtdparts too long (> %d)\n", MTDPARTS_MAXLEN); @@ -1936,9 +1945,10 @@ static int do_mtdparts(cmd_tbl_t *cmdtp, int flag, int argc, { if (argc == 2) { if (strcmp(argv[1], "default") == 0) { - setenv("mtdids", (char *)mtdids_default); - setenv("mtdparts", (char *)mtdparts_default); + setenv("mtdids", NULL); + setenv("mtdparts", NULL); setenv("partition", NULL); + use_defaults = 1; mtdparts_init(); return 0; |