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mb/siemens/mc_apl1/mainboard.c: Refactor loop body 

Break down multi-line compound conditions into multiple if-statements,
and leverage `continue` statements to avoid nesting multiple checks.

Change-Id: I5edc279a57e25a0dff1a4b42f0bbc88c0659b476
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47403
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Tested-by: siemens-bot
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-by: Uwe Poeche <uwe.poeche@siemens.com>
This commit is contained in:
Angel Pons 2020-11-10 18:17:10 +01:00 committed by Patrick Georgi
parent c97a1c0ac8
commit a9db4bd989
1 changed files with 10 additions and 11 deletions
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21
src/mainboard/siemens/mc_apl1/mainboard.c
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@ -85,19 +85,18 @@ enum cb_err mainboard_get_mac_address(struct device *dev, uint8_t mac[6])
/* Open main hwinfo block */
if (hwilib_find_blocks("hwinfo.hex") != CB_SUCCESS)
return CB_ERR;
/* Now try to find a valid MAC address in hwinfo for this mapping.*/
/* Now try to find a valid MAC address in hwinfo for this mapping. */
for (i = 0; i < MAX_NUM_MAPPINGS; i++) {
if ((hwilib_get_field(XMac1Mapping + i, buf, 16) == 16) &&
!(memcmp(buf, mapping, chain_len + 4))) {
/* There is a matching mapping available, get MAC address. */
if ((hwilib_get_field(XMac1 + i, mac, 6) == 6) &&
(is_mac_adr_valid(mac))) {
return CB_SUCCESS;
} else {
return CB_ERR;
}
} else
if (hwilib_get_field(XMac1Mapping + i, buf, 16) != 16)
continue;
if (memcmp(buf, mapping, chain_len + 4))
continue;
/* There is a matching mapping available, get MAC address. */
if (hwilib_get_field(XMac1 + i, mac, 6) == 6) {
if (is_mac_adr_valid(mac))
return CB_SUCCESS;
}
return CB_ERR;
}
/* No MAC address found for */
return CB_ERR;