static int parse_busid(char *str, unsigned int *cssid, unsigned int *ssid,
unsigned int *devno, int msgtrigger)
{
char *str_work;
int val, rc, ret;
rc = 1;
if (*str == '\0')
goto out;
/* old style */
str_work = str;
val = simple_strtoul(str, &str_work, 16);
if (*str_work == '\0') {
if (val <= __MAX_SUBCHANNEL) {
*devno = val;
*ssid = 0;
*cssid = 0;
rc = 0;
}
goto out;
}
/* new style */
str_work = str;
ret = pure_hex(&str_work, cssid, 1, 2, __MAX_CSSID);
if (ret || (str_work[0] != '.'))
goto out;
str_work++;
ret = pure_hex(&str_work, ssid, 1, 1, __MAX_SSID);
if (ret || (str_work[0] != '.'))
goto out;
str_work++;
ret = pure_hex(&str_work, devno, 4, 4, __MAX_SUBCHANNEL);
if (ret || (str_work[0] != '\0'))
goto out;
rc = 0;
out:
if (rc && msgtrigger)
printk(KERN_WARNING "cio: Invalid cio_ignore device '%s'\n",
str);
return rc;
}
static int parse_busid(char *str, unsigned int *cssid, unsigned int *ssid,
unsigned int *devno, int msgtrigger)
{
char *str_work;
int val, rc, ret;
rc = 1;
if (*str == '\0')
goto out;
/* old style */
str_work = str;
val = simple_strtoul(str, &str_work, 16);
if (*str_work == '\0') {
if (val <= __MAX_SUBCHANNEL) {
*devno = val;
*ssid = 0;
*cssid = 0;
rc = 0;
}
goto out;
}
/* new style */
str_work = str;
ret = pure_hex(&str_work, cssid, 1, 2, __MAX_CSSID);
if (ret || (str_work[0] != '.'))
goto out;
str_work++;
ret = pure_hex(&str_work, ssid, 1, 1, __MAX_SSID);
if (ret || (str_work[0] != '.'))
goto out;
str_work++;
ret = pure_hex(&str_work, devno, 4, 4, __MAX_SUBCHANNEL);
if (ret || (str_work[0] != '\0'))
goto out;
rc = 0;
out:
if (rc && msgtrigger)
pr_warning("%s is not a valid device for the cio_ignore "
"kernel parameter\n", str);
return rc;
}
