diff --git a/drivers/net/ethernet/cavium/thunder/nic.h b/drivers/net/ethernet/cavium/thunder/nic.h
index 18d12d35039a559ff126e9ec0f6b7db74a1452ca..30426109711cf4ebec9f1cc28fed75e7961d79a0 100644
--- a/drivers/net/ethernet/cavium/thunder/nic.h
+++ b/drivers/net/ethernet/cavium/thunder/nic.h
@@ -305,7 +305,7 @@ struct nicvf {
 	bool			msix_enabled;
 	u8			num_vec;
 	struct msix_entry	msix_entries[NIC_VF_MSIX_VECTORS];
-	char			irq_name[NIC_VF_MSIX_VECTORS][20];
+	char			irq_name[NIC_VF_MSIX_VECTORS][IFNAMSIZ + 15];
 	bool			irq_allocated[NIC_VF_MSIX_VECTORS];
 	cpumask_var_t		affinity_mask[NIC_VF_MSIX_VECTORS];