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PPC MPC83xx: Fix MPC8323ERDB build warning

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Fix:

mpc8323erdb.c: In function 'mac_read_from_eeprom':
mpc8323erdb.c:198:3: warning: dereferencing type-punned pointer will
break strict-aliasing rules [-Wstrict-aliasing]

Signed-off-by: Wolfgang Denk <wd@denx.de>
cc: Timur Tabi <timur@tabi.org>
cc: Kim Phillips <kim.phillips@freescale.com>
This commit is contained in:
Wolfgang Denk 2013-07-14 19:42:40 +02:00 committed by Tom Rini
parent 04735e9c55
commit f4ea9f86d1
1 changed files with 5 additions and 1 deletions
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6
board/freescale/mpc8323erdb/mpc8323erdb.c
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@ -195,7 +195,11 @@ int mac_read_from_eeprom(void)
printf("\nEEPROM @ 0x%02x read FAILED!!!\n",
CONFIG_SYS_I2C_EEPROM_ADDR);
} else {
if (crc32(crc, buf, 24) == *(unsigned int *)&buf[24]) {
uint32_t crc_buf;
memcpy(&crc_buf, &buf[24], sizeof(uint32_t));
if (crc32(crc, buf, 24) == crc_buf) {
printf("Reading MAC from EEPROM\n");
for (i = 0; i < 4; i++) {
if (memcmp(&buf[i * 6], "\0\0\0\0\0\0", 6)) {