diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 3b805ed433ed6..69231e85140b2 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -1217,12 +1217,15 @@ struct bnxt_napi {
 	bool			in_reset;
 };
 
+/* "TxRx", 2 hypens, plus maximum integer */
+#define BNXT_IRQ_NAME_EXTRA	17
+
 struct bnxt_irq {
 	irq_handler_t	handler;
 	unsigned int	vector;
 	u8		requested:1;
 	u8		have_cpumask:1;
-	char		name[IFNAMSIZ + 2];
+	char		name[IFNAMSIZ + BNXT_IRQ_NAME_EXTRA];
 	cpumask_var_t	cpu_mask;
 };