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-rw-r--r--ubi-utils/mtdinfo.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/ubi-utils/mtdinfo.c b/ubi-utils/mtdinfo.c
index 8bd0fc8..154872d 100644
--- a/ubi-utils/mtdinfo.c
+++ b/ubi-utils/mtdinfo.c
@@ -54,7 +54,7 @@ static void display_help(void)
printf(
"%1$s version %2$s - a tool to print MTD information.\n"
"\n"
- "Usage: %1$s <MTD node file path> [--map | -M] [--ubi-info | -u]\n"
+ "Usage: %1$s <mtd device> [--map | -M] [--ubi-info | -u]\n"
" %1$s --all [--ubi-info | -u]\n"
" %1$s [--help | --version]\n"
"\n"
@@ -68,6 +68,8 @@ static void display_help(void)
"-h, --help print help message\n"
"-V, --version print program version\n"
"\n"
+ "<mtd device> MTD device node or 'mtd:<name>'\n"
+ "\n"
"Examples:\n"
" %1$s /dev/mtd0 print information MTD device /dev/mtd0\n"
" %1$s /dev/mtd0 -u print information MTD device /dev/mtd0\n"
@@ -124,10 +126,13 @@ static int parse_opt(int argc, char * const argv[])
}
}
- if (optind == argc - 1)
- args.node = argv[optind];
- else if (optind < argc)
+ if (optind == argc - 1) {
+ args.node = mtd_find_dev_node(argv[optind]);
+ if (!args.node)
+ return errmsg("Failed to find MTD device %s", argv[optind]);
+ } else if (optind < argc) {
return errmsg("more then one MTD device specified (use -h for help)");
+ }
if (args.all && args.node)
args.node = NULL;