1 files changed, 6 insertions, 2 deletions
diff --git a/tar/tar2sqfs.c b/tar/tar2sqfs.c
index f522239..facef07 100644
--- a/tar/tar2sqfs.c
+++ b/tar/tar2sqfs.c
@@ -124,10 +124,14 @@ static void process_args(int argc, char **argv)
 			no_tail_pack = true;
 			break;
 		case 'b':
-			cfg.block_size = strtol(optarg, NULL, 0);
+			if (parse_size("Block size", &cfg.block_size, optarg))
+				exit(EXIT_FAILURE);
 			break;
 		case 'B':
-			cfg.devblksize = strtol(optarg, NULL, 0);
+			if (parse_size("Device block size", &cfg.devblksize,
+				       optarg)) {
+				exit(EXIT_FAILURE);
+			}
 			if (cfg.devblksize < 1024) {
 				fputs("Device block size must be at "
 				      "least 1024\n", stderr);