Index: uspace/srv/fs/minixfs/mfs_rw.c
===================================================================
--- uspace/srv/fs/minixfs/mfs_rw.c	(revision ee01ff5dde9429378db0b0d38e745b080bb91784)
+++ uspace/srv/fs/minixfs/mfs_rw.c	(revision a791a96cba9c27b839edf8d4af125ac66faad392)
@@ -209,5 +209,5 @@
 				bi1->dirty = true;
 			} else {
-				r = 1;
+				r = -1;
 				goto out;
 			}
@@ -241,5 +241,5 @@
 				bi1->dirty = true;
 			} else {
-				r = 1;
+				r = -1;
 				goto out;
 			}