fix area parsing for erase/protect, add error parsing

2 files changed, 13 insertions, 4 deletions

diff --git a/commands/flash.c b/commands/flash.c
index 82cce0fdca..7d7876d862 100644
--- a/commands/flash.c
+++ b/commands/flash.c
@@ -65,8 +65,11 @@ static int do_flerase (cmd_tbl_t *cmdtp, int argc, char *argv[])
 		return 1;
 	}
 
-	if (argc == 2)
-		parse_area_spec(argv[optind], &start, &size);
+	if (argc == 3)
+		if (parse_area_spec(argv[2], &start, &size)) {
+			printf("could not parse: %s\n", argv[optind]);
+			return 1;
+		}
 
 	if(erase(fd, size, start)) {
 		perror("erase");
@@ -127,7 +130,10 @@ static int do_protect (cmd_tbl_t *cmdtp, int argc, char *argv[])
 	}
 
 	if (argc == 3)
-		parse_area_spec(argv[optind], &start, &size);
+		if (parse_area_spec(argv[2], &start, &size)) {
+			printf("could not parse: %s\n", argv[optind]);
+			return 1;
+		}
 
         if(protect(fd, size, start, prot)) {
 		perror("protect");
diff --git a/commands/mem.c b/commands/mem.c
index 0dbad839df..aa41a9e149 100644
--- a/commands/mem.c
+++ b/commands/mem.c
@@ -145,7 +145,10 @@ static int do_mem_md ( cmd_tbl_t *cmdtp, int argc, char *argv[])
 		return 1;
 
 	if (optind  < argc) {
-		parse_area_spec(argv[optind], &start, &size);
+		if (parse_area_spec(argv[optind], &start, &size)) {
+			printf("could not parse: %s\n", argv[optind]);
+			return 1;
+		}
 		if (size == ~0)
 			size = 0x100;
 	}