static int __init uuid_init(void)
{
memset(emmc0_id, 0x00, sizeof(emmc0_id));
if (get_emmc0_cid()) {
emmc0_id_entry = proc_create("emmc0_id_entry",
S_IFREG | S_IRUGO, NULL,
&emmc0_id_entry_fops);
if (emmc0_id_entry == 0) {
pr_err("Fail creating procfile emmc0_id_entry\n");
return -ENOMEM;
}
}
set_cmdline_serialno();
return 0;
}
static void set_cmdline_serialno(void)
{
char *start;
char *serialno;
char *end_of_field;
int serialno_len;
int value_length;
char SERIALNO_CMDLINE[] = "androidboot.serialno=";
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0))
if (intel_platform_ssn[0] != '\0') {
serialno = intel_platform_ssn;
#else
if (intel_mid_ssn[0] != '\0') {
serialno = intel_mid_ssn;
#endif
} else {
if (strlen(emmc0_id)) {
serialno = emmc0_id;
} else {
pr_err("Failed to get SSN or emmc0 ID\n");
goto error;
}
}
start = strstr(saved_command_line, SERIALNO_CMDLINE);
if (!start) {
pr_err("Could not find %s in cmdline\n", SERIALNO_CMDLINE);
goto error;
}
serialno_len = strlen(serialno);
start += sizeof(SERIALNO_CMDLINE) - 1;
end_of_field = strstr(start, " ");
if (end_of_field)
value_length = end_of_field - start;
else
value_length = strlen(start);
if (value_length < serialno_len) {
pr_err("Pre-filled serialno cmdline value is too small\n");
goto error;
}
memcpy(start, serialno, serialno_len);
memset(start + serialno_len, ' ', value_length - serialno_len);
return;
error:
pr_err("serialno will not be updated in cmdline!\n");
return;
}
static int __init uuid_init(void)
{
memset(emmc0_id, 0x00, sizeof(emmc0_id));
if (get_emmc0_cid()) {
emmc0_id_entry = proc_create("emmc0_id_entry",
S_IFREG | S_IRUGO, NULL,
&emmc0_id_entry_fops);
if (emmc0_id_entry == 0) {
pr_err("Fail creating procfile emmc0_id_entry\n");
return -ENOMEM;
}
}
set_cmdline_serialno();
return 0;
}