(diskfs_set_options): Don't fall through to the error case from the 's' one!

Use ARG instead of the global OPTARG.

1 files changed, 2 insertions, 1 deletions

diff --git a/libdiskfs/opts-set.c b/libdiskfs/opts-set.c
index 77929e7e..9de9a3bb 100644
--- a/libdiskfs/opts-set.c
+++ b/libdiskfs/opts-set.c
@@ -49,10 +49,11 @@ diskfs_set_options (int argc, char **argv)
 	case 'n':
 	  sync_interval = 0; sync = 0; break;
 	case 's':
-	  if (optarg)
+	  if (arg)
 	    sync_interval = atoi (arg);
 	  else
 	    sync = 1;
+	  break;
 	default:
 	  return EINVAL;
 	}