r8169: use macro FIELD_SIZEOF in definition of FW_OPCODE_SIZE

Using macro FIELD_SIZEOF makes this define easier understandable. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
mariux64 · Nov 20, 2019 · cfccde8 · cfccde8
1 parent e20c43d
commit cfccde8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/net/ethernet/realtek/r8169_firmware.c b/drivers/net/ethernet/realtek/r8169_firmware.c
@@ -37,7 +37,7 @@ struct fw_info {
 	u8	chksum;
 } __packed;
 
-#define FW_OPCODE_SIZE	sizeof(typeof(*((struct rtl_fw_phy_action *)0)->code))
+#define FW_OPCODE_SIZE FIELD_SIZEOF(struct rtl_fw_phy_action, code[0])
 
 static bool rtl_fw_format_ok(struct rtl_fw *rtl_fw)
 {