diff --git a/net/9p/util.c b/net/9p/util.c
index 4d56460..958fc58 100644
--- a/net/9p/util.c
+++ b/net/9p/util.c
@@ -88,7 +88,7 @@
 {
 	int i = 0;
 	int error;
-	unsigned int flags;
+	unsigned long flags;
 
 retry:
 	if (idr_pre_get(&p->pool, GFP_KERNEL) == 0)
@@ -120,7 +120,7 @@
 
 void p9_idpool_put(int id, struct p9_idpool *p)
 {
-	unsigned int flags;
+	unsigned long flags;
 	spin_lock_irqsave(&p->lock, flags);
 	idr_remove(&p->pool, id);
 	spin_unlock_irqrestore(&p->lock, flags);