1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/misc/sgi-xp/xpc_uv.c b/drivers/misc/sgi-xp/xpc_uv.c
index bbf0e2ee6fd9..19bd7b0ede91 100644
--- a/drivers/misc/sgi-xp/xpc_uv.c
+++ b/drivers/misc/sgi-xp/xpc_uv.c
@@ -949,11 +949,13 @@ xpc_get_fifo_entry_uv(struct xpc_fifo_head_uv *head)
                 head->first = first->next;
                 if (head->first == NULL)
                         head->last = NULL;
+
+                head->n_entries--;
+                BUG_ON(head->n_entries < 0);
+
+                first->next = NULL;
         }
-        head->n_entries--;
-        BUG_ON(head->n_entries < 0);
         spin_unlock_irqrestore(&head->lock, irq_flags);
-        first->next = NULL;
         return first;
 }