diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index 037f74f0fcf6..2b2484b4cc29 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -80,7 +80,7 @@ static irqreturn_t xenvif_tx_interrupt(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-int xenvif_poll(struct napi_struct *napi, int budget)
+static int xenvif_poll(struct napi_struct *napi, int budget)
 {
 	struct xenvif_queue *queue =
 		container_of(napi, struct xenvif_queue, napi);