Btrfs: fix possible ENOSPC problems with truncate
[safe/jmp/linux-2.6] / drivers / w1 / w1_family.c
index 8c35f9c..4a09904 100644 (file)
@@ -48,7 +48,6 @@ int w1_register_family(struct w1_family *newf)
 
        if (!ret) {
                atomic_set(&newf->refcnt, 0);
-               newf->need_exit = 0;
                list_add_tail(&newf->family_entry, &w1_families);
        }
        spin_unlock(&w1_flock);
@@ -73,9 +72,6 @@ void w1_unregister_family(struct w1_family *fent)
                        break;
                }
        }
-
-       fent->need_exit = 1;
-
        spin_unlock(&w1_flock);
 
        /* deatch devices using this family code */
@@ -113,8 +109,7 @@ struct w1_family * w1_family_registered(u8 fid)
 
 static void __w1_family_put(struct w1_family *f)
 {
-       if (atomic_dec_and_test(&f->refcnt))
-               f->need_exit = 1;
+       atomic_dec(&f->refcnt);
 }
 
 void w1_family_put(struct w1_family *f)