diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c
index f5ee064..feae783 100644
--- a/drivers/net/8139too.c
+++ b/drivers/net/8139too.c
@@ -1131,7 +1131,7 @@
    No extra delay is needed with 33Mhz PCI, but 66Mhz may change this.
  */
 
-#define eeprom_delay()	RTL_R32(Cfg9346)
+#define eeprom_delay()	(void)RTL_R32(Cfg9346)
 
 /* The EEPROM commands include the alway-set leading bit. */
 #define EE_WRITE_CMD	(5)