Fix ZVOL rename minor devices

[zfs.git] / module / zfs / refcount.c

diff --git a/module/zfs/refcount.c b/module/zfs/refcount.c
index 600132f..a615546 100644 (file)
--- a/module/zfs/refcount.c
+++ b/module/zfs/refcount.c
@@ -72,13 +72,13 @@ refcount_destroy_many(refcount_t *rc, uint64_t number)
        reference_t *ref;
 
        ASSERT(rc->rc_count == number);
-       while (ref = list_head(&rc->rc_list)) {
+       while ((ref = list_head(&rc->rc_list))) {
                list_remove(&rc->rc_list, ref);
                kmem_cache_free(reference_cache, ref);
        }
        list_destroy(&rc->rc_list);
 
-       while (ref = list_head(&rc->rc_removed)) {
+       while ((ref = list_head(&rc->rc_removed))) {
                list_remove(&rc->rc_removed, ref);
                kmem_cache_free(reference_history_cache, ref->ref_removed);
                kmem_cache_free(reference_cache, ref);
@@ -110,7 +110,7 @@ refcount_count(refcount_t *rc)
 int64_t
 refcount_add_many(refcount_t *rc, uint64_t number, void *holder)
 {
-       reference_t *ref;
+       reference_t *ref = NULL;
        int64_t count;
 
        if (reference_tracking_enable) {