[PATCH] xilinx: common: Fix MAC address read from EEPROM

[Petr Zejdl]

The upper-to-lowercase character conversion now avoids altering the
MAC address field. In the previous version, this alteration corrupted
the MAC address.

Signed-off-by: Petr Zejdl <petr.ze...@cern.ch>
---
 board/xilinx/common/board.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/board/xilinx/common/board.c b/board/xilinx/common/board.c
index 66edf857f1..49dc5d10cc 100644
--- a/board/xilinx/common/board.c
+++ b/board/xilinx/common/board.c
@@ -101,10 +101,14 @@ static void xilinx_eeprom_legacy_cleanup(char *eeprom, 
int size)
        for (i = 0; i < size; i++) {
                byte = eeprom[i];
 
-               /* Remove all non printable chars but ignore MAC address */
-               if ((i < offsetof(struct xilinx_legacy_format, eth_mac) ||
-                    i >= offsetof(struct xilinx_legacy_format, unused1)) &&
-                    (byte < '!' || byte > '~')) {
+               /* Ignore MAC address */
+               if (i >= offsetof(struct xilinx_legacy_format, eth_mac) &&
+                   i < offsetof(struct xilinx_legacy_format, unused1)) {
+                       continue;
+               }
+
+               /* Remove all non printable chars */
+               if (byte < '!' || byte > '~') {
                        eeprom[i] = 0;
                        continue;
                }
-- 
2.31.1