*
* This file contains SPC-3 compliant asymmetric logical unit assigntment (ALUA)
*
- * (c) Copyright 2009-2012 RisingTide Systems LLC.
+ * (c) Copyright 2009-2013 Datera, Inc.
*
* Nicholas A. Bellinger <nab@kernel.org>
*
* a ALUA logical unit group.
*/
tg_pt_gp_mem = port->sep_alua_tg_pt_gp_mem;
+ if (!tg_pt_gp_mem)
+ return 0;
+
spin_lock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
tg_pt_gp = tg_pt_gp_mem->tg_pt_gp;
out_alua_state = atomic_read(&tg_pt_gp->tg_pt_gp_alua_access_state);
if (ret < 0)
pr_err("Error writing ALUA metadata file: %s\n", path);
fput(file);
- return ret ? -EIO : 0;
+ return (ret < 0) ? -EIO : 0;
}
/*
unsigned long tmp;
int ret;
- ret = strict_strtoul(page, 0, &tmp);
+ ret = kstrtoul(page, 0, &tmp);
if (ret < 0) {
pr_err("Unable to extract alua_access_type\n");
- return -EINVAL;
+ return ret;
}
if ((tmp != 0) && (tmp != 1) && (tmp != 2) && (tmp != 3)) {
pr_err("Illegal value for alua_access_type:"
unsigned long tmp;
int ret;
- ret = strict_strtoul(page, 0, &tmp);
+ ret = kstrtoul(page, 0, &tmp);
if (ret < 0) {
pr_err("Unable to extract nonop_delay_msecs\n");
- return -EINVAL;
+ return ret;
}
if (tmp > ALUA_MAX_NONOP_DELAY_MSECS) {
pr_err("Passed nonop_delay_msecs: %lu, exceeds"
unsigned long tmp;
int ret;
- ret = strict_strtoul(page, 0, &tmp);
+ ret = kstrtoul(page, 0, &tmp);
if (ret < 0) {
pr_err("Unable to extract trans_delay_msecs\n");
- return -EINVAL;
+ return ret;
}
if (tmp > ALUA_MAX_TRANS_DELAY_MSECS) {
pr_err("Passed trans_delay_msecs: %lu, exceeds"
unsigned long tmp;
int ret;
- ret = strict_strtoul(page, 0, &tmp);
+ ret = kstrtoul(page, 0, &tmp);
if (ret < 0) {
pr_err("Unable to extract implict_trans_secs\n");
- return -EINVAL;
+ return ret;
}
if (tmp > ALUA_MAX_IMPLICT_TRANS_SECS) {
pr_err("Passed implict_trans_secs: %lu, exceeds"
unsigned long tmp;
int ret;
- ret = strict_strtoul(page, 0, &tmp);
+ ret = kstrtoul(page, 0, &tmp);
if (ret < 0) {
pr_err("Unable to extract preferred ALUA value\n");
- return -EINVAL;
+ return ret;
}
if ((tmp != 0) && (tmp != 1)) {
pr_err("Illegal value for preferred ALUA: %lu\n", tmp);
if (!lun->lun_sep)
return -ENODEV;
- ret = strict_strtoul(page, 0, &tmp);
+ ret = kstrtoul(page, 0, &tmp);
if (ret < 0) {
pr_err("Unable to extract alua_tg_pt_offline value\n");
- return -EINVAL;
+ return ret;
}
if ((tmp != 0) && (tmp != 1)) {
pr_err("Illegal value for alua_tg_pt_offline: %lu\n",
unsigned long tmp;
int ret;
- ret = strict_strtoul(page, 0, &tmp);
+ ret = kstrtoul(page, 0, &tmp);
if (ret < 0) {
pr_err("Unable to extract alua_tg_pt_status\n");
- return -EINVAL;
+ return ret;
}
if ((tmp != ALUA_STATUS_NONE) &&
(tmp != ALUA_STATUS_ALTERED_BY_EXPLICT_STPG) &&
unsigned long tmp;
int ret;
- ret = strict_strtoul(page, 0, &tmp);
+ ret = kstrtoul(page, 0, &tmp);
if (ret < 0) {
pr_err("Unable to extract alua_tg_pt_write_md\n");
- return -EINVAL;
+ return ret;
}
if ((tmp != 0) && (tmp != 1)) {
pr_err("Illegal value for alua_tg_pt_write_md:"