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-rw-r--r--drivers/s390/crypto/ap_bus.c212
-rw-r--r--drivers/s390/crypto/ap_bus.h5
-rw-r--r--drivers/s390/crypto/ap_card.c17
-rw-r--r--drivers/s390/crypto/ap_queue.c75
-rw-r--r--drivers/s390/crypto/pkey_api.c2
-rw-r--r--drivers/s390/crypto/vfio_ap_ops.c2
-rw-r--r--drivers/s390/crypto/zcrypt_card.c6
-rw-r--r--drivers/s390/crypto/zcrypt_ccamisc.c33
-rw-r--r--drivers/s390/crypto/zcrypt_ccamisc.h2
-rw-r--r--drivers/s390/crypto/zcrypt_cex2a.c2
-rw-r--r--drivers/s390/crypto/zcrypt_cex2c.c2
-rw-r--r--drivers/s390/crypto/zcrypt_cex4.c76
-rw-r--r--drivers/s390/crypto/zcrypt_ep11misc.c10
-rw-r--r--drivers/s390/crypto/zcrypt_msgtype6.c10
-rw-r--r--drivers/s390/crypto/zcrypt_queue.c4
15 files changed, 136 insertions, 322 deletions
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 5256e3ce84e5..35064443e748 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -18,13 +18,13 @@
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/err.h>
+#include <linux/freezer.h>
#include <linux/interrupt.h>
#include <linux/workqueue.h>
#include <linux/slab.h>
#include <linux/notifier.h>
#include <linux/kthread.h>
#include <linux/mutex.h>
-#include <linux/suspend.h>
#include <asm/airq.h>
#include <linux/atomic.h>
#include <asm/isc.h>
@@ -103,16 +103,9 @@ static struct hrtimer ap_poll_timer;
*/
static unsigned long long poll_timeout = 250000;
-/* Suspend flag */
-static int ap_suspend_flag;
/* Maximum domain id */
static int ap_max_domain_id;
-/*
- * Flag to check if domain was set through module parameter domain=. This is
- * important when supsend and resume is done in a z/VM environment where the
- * domain might change.
- */
-static int user_set_domain;
+
static struct bus_type ap_bus_type;
/* Adapter interrupt definitions */
@@ -360,7 +353,7 @@ void ap_wait(enum ap_wait wait)
wake_up(&ap_poll_wait);
break;
}
- /* Fall through */
+ fallthrough;
case AP_WAIT_TIMEOUT:
spin_lock_bh(&ap_poll_timer_lock);
if (!hrtimer_is_queued(&ap_poll_timer)) {
@@ -386,8 +379,6 @@ void ap_request_timeout(struct timer_list *t)
{
struct ap_queue *aq = from_timer(aq, t, timeout);
- if (ap_suspend_flag)
- return;
spin_lock_bh(&aq->lock);
ap_wait(ap_sm_event(aq, AP_EVENT_TIMEOUT));
spin_unlock_bh(&aq->lock);
@@ -401,8 +392,7 @@ void ap_request_timeout(struct timer_list *t)
*/
static enum hrtimer_restart ap_poll_timeout(struct hrtimer *unused)
{
- if (!ap_suspend_flag)
- tasklet_schedule(&ap_tasklet);
+ tasklet_schedule(&ap_tasklet);
return HRTIMER_NORESTART;
}
@@ -413,8 +403,7 @@ static enum hrtimer_restart ap_poll_timeout(struct hrtimer *unused)
static void ap_interrupt_handler(struct airq_struct *airq, bool floating)
{
inc_irq_stat(IRQIO_APB);
- if (!ap_suspend_flag)
- tasklet_schedule(&ap_tasklet);
+ tasklet_schedule(&ap_tasklet);
}
/**
@@ -486,7 +475,7 @@ static int ap_poll_thread(void *data)
while (!kthread_should_stop()) {
add_wait_queue(&ap_poll_wait, &wait);
set_current_state(TASK_INTERRUPTIBLE);
- if (ap_suspend_flag || !ap_pending_requests()) {
+ if (!ap_pending_requests()) {
schedule();
try_to_freeze();
}
@@ -587,51 +576,6 @@ static int ap_uevent(struct device *dev, struct kobj_uevent_env *env)
return retval;
}
-static int ap_dev_suspend(struct device *dev)
-{
- struct ap_device *ap_dev = to_ap_dev(dev);
-
- if (ap_dev->drv && ap_dev->drv->suspend)
- ap_dev->drv->suspend(ap_dev);
- return 0;
-}
-
-static int ap_dev_resume(struct device *dev)
-{
- struct ap_device *ap_dev = to_ap_dev(dev);
-
- if (ap_dev->drv && ap_dev->drv->resume)
- ap_dev->drv->resume(ap_dev);
- return 0;
-}
-
-static void ap_bus_suspend(void)
-{
- AP_DBF(DBF_DEBUG, "%s running\n", __func__);
-
- ap_suspend_flag = 1;
- /*
- * Disable scanning for devices, thus we do not want to scan
- * for them after removing.
- */
- flush_work(&ap_scan_work);
- tasklet_disable(&ap_tasklet);
-}
-
-static int __ap_card_devices_unregister(struct device *dev, void *dummy)
-{
- if (is_card_dev(dev))
- device_unregister(dev);
- return 0;
-}
-
-static int __ap_queue_devices_unregister(struct device *dev, void *dummy)
-{
- if (is_queue_dev(dev))
- device_unregister(dev);
- return 0;
-}
-
static int __ap_queue_devices_with_id_unregister(struct device *dev, void *data)
{
if (is_queue_dev(dev) &&
@@ -640,67 +584,10 @@ static int __ap_queue_devices_with_id_unregister(struct device *dev, void *data)
return 0;
}
-static void ap_bus_resume(void)
-{
- int rc;
-
- AP_DBF(DBF_DEBUG, "%s running\n", __func__);
-
- /* remove all queue devices */
- bus_for_each_dev(&ap_bus_type, NULL, NULL,
- __ap_queue_devices_unregister);
- /* remove all card devices */
- bus_for_each_dev(&ap_bus_type, NULL, NULL,
- __ap_card_devices_unregister);
-
- /* Reset thin interrupt setting */
- if (ap_interrupts_available() && !ap_using_interrupts()) {
- rc = register_adapter_interrupt(&ap_airq);
- ap_airq_flag = (rc == 0);
- }
- if (!ap_interrupts_available() && ap_using_interrupts()) {
- unregister_adapter_interrupt(&ap_airq);
- ap_airq_flag = 0;
- }
- /* Reset domain */
- if (!user_set_domain)
- ap_domain_index = -1;
- /* Get things going again */
- ap_suspend_flag = 0;
- if (ap_airq_flag)
- xchg(ap_airq.lsi_ptr, 0);
- tasklet_enable(&ap_tasklet);
- queue_work(system_long_wq, &ap_scan_work);
-}
-
-static int ap_power_event(struct notifier_block *this, unsigned long event,
- void *ptr)
-{
- switch (event) {
- case PM_HIBERNATION_PREPARE:
- case PM_SUSPEND_PREPARE:
- ap_bus_suspend();
- break;
- case PM_POST_HIBERNATION:
- case PM_POST_SUSPEND:
- ap_bus_resume();
- break;
- default:
- break;
- }
- return NOTIFY_DONE;
-}
-static struct notifier_block ap_power_notifier = {
- .notifier_call = ap_power_event,
-};
-
-static SIMPLE_DEV_PM_OPS(ap_bus_pm_ops, ap_dev_suspend, ap_dev_resume);
-
static struct bus_type ap_bus_type = {
.name = "ap",
.match = &ap_bus_match,
.uevent = &ap_uevent,
- .pm = &ap_bus_pm_ops,
};
static int __ap_revise_reserved(struct device *dev, void *dummy)
@@ -873,8 +760,6 @@ EXPORT_SYMBOL(ap_driver_unregister);
void ap_bus_force_rescan(void)
{
- if (ap_suspend_flag)
- return;
/* processing a asynchronous bus rescan */
del_timer(&ap_config_timer);
queue_work(system_long_wq, &ap_scan_work);
@@ -1021,7 +906,7 @@ EXPORT_SYMBOL(ap_parse_mask_str);
static ssize_t ap_domain_show(struct bus_type *bus, char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%d\n", ap_domain_index);
+ return scnprintf(buf, PAGE_SIZE, "%d\n", ap_domain_index);
}
static ssize_t ap_domain_store(struct bus_type *bus,
@@ -1047,14 +932,14 @@ static BUS_ATTR_RW(ap_domain);
static ssize_t ap_control_domain_mask_show(struct bus_type *bus, char *buf)
{
if (!ap_configuration) /* QCI not supported */
- return snprintf(buf, PAGE_SIZE, "not supported\n");
+ return scnprintf(buf, PAGE_SIZE, "not supported\n");
- return snprintf(buf, PAGE_SIZE,
- "0x%08x%08x%08x%08x%08x%08x%08x%08x\n",
- ap_configuration->adm[0], ap_configuration->adm[1],
- ap_configuration->adm[2], ap_configuration->adm[3],
- ap_configuration->adm[4], ap_configuration->adm[5],
- ap_configuration->adm[6], ap_configuration->adm[7]);
+ return scnprintf(buf, PAGE_SIZE,
+ "0x%08x%08x%08x%08x%08x%08x%08x%08x\n",
+ ap_configuration->adm[0], ap_configuration->adm[1],
+ ap_configuration->adm[2], ap_configuration->adm[3],
+ ap_configuration->adm[4], ap_configuration->adm[5],
+ ap_configuration->adm[6], ap_configuration->adm[7]);
}
static BUS_ATTR_RO(ap_control_domain_mask);
@@ -1062,14 +947,14 @@ static BUS_ATTR_RO(ap_control_domain_mask);
static ssize_t ap_usage_domain_mask_show(struct bus_type *bus, char *buf)
{
if (!ap_configuration) /* QCI not supported */
- return snprintf(buf, PAGE_SIZE, "not supported\n");
+ return scnprintf(buf, PAGE_SIZE, "not supported\n");
- return snprintf(buf, PAGE_SIZE,
- "0x%08x%08x%08x%08x%08x%08x%08x%08x\n",
- ap_configuration->aqm[0], ap_configuration->aqm[1],
- ap_configuration->aqm[2], ap_configuration->aqm[3],
- ap_configuration->aqm[4], ap_configuration->aqm[5],
- ap_configuration->aqm[6], ap_configuration->aqm[7]);
+ return scnprintf(buf, PAGE_SIZE,
+ "0x%08x%08x%08x%08x%08x%08x%08x%08x\n",
+ ap_configuration->aqm[0], ap_configuration->aqm[1],
+ ap_configuration->aqm[2], ap_configuration->aqm[3],
+ ap_configuration->aqm[4], ap_configuration->aqm[5],
+ ap_configuration->aqm[6], ap_configuration->aqm[7]);
}
static BUS_ATTR_RO(ap_usage_domain_mask);
@@ -1077,29 +962,29 @@ static BUS_ATTR_RO(ap_usage_domain_mask);
static ssize_t ap_adapter_mask_show(struct bus_type *bus, char *buf)
{
if (!ap_configuration) /* QCI not supported */
- return snprintf(buf, PAGE_SIZE, "not supported\n");
+ return scnprintf(buf, PAGE_SIZE, "not supported\n");
- return snprintf(buf, PAGE_SIZE,
- "0x%08x%08x%08x%08x%08x%08x%08x%08x\n",
- ap_configuration->apm[0], ap_configuration->apm[1],
- ap_configuration->apm[2], ap_configuration->apm[3],
- ap_configuration->apm[4], ap_configuration->apm[5],
- ap_configuration->apm[6], ap_configuration->apm[7]);
+ return scnprintf(buf, PAGE_SIZE,
+ "0x%08x%08x%08x%08x%08x%08x%08x%08x\n",
+ ap_configuration->apm[0], ap_configuration->apm[1],
+ ap_configuration->apm[2], ap_configuration->apm[3],
+ ap_configuration->apm[4], ap_configuration->apm[5],
+ ap_configuration->apm[6], ap_configuration->apm[7]);
}
static BUS_ATTR_RO(ap_adapter_mask);
static ssize_t ap_interrupts_show(struct bus_type *bus, char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%d\n",
- ap_using_interrupts() ? 1 : 0);
+ return scnprintf(buf, PAGE_SIZE, "%d\n",
+ ap_using_interrupts() ? 1 : 0);
}
static BUS_ATTR_RO(ap_interrupts);
static ssize_t config_time_show(struct bus_type *bus, char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%d\n", ap_config_time);
+ return scnprintf(buf, PAGE_SIZE, "%d\n", ap_config_time);
}
static ssize_t config_time_store(struct bus_type *bus,
@@ -1118,7 +1003,7 @@ static BUS_ATTR_RW(config_time);
static ssize_t poll_thread_show(struct bus_type *bus, char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%d\n", ap_poll_kthread ? 1 : 0);
+ return scnprintf(buf, PAGE_SIZE, "%d\n", ap_poll_kthread ? 1 : 0);
}
static ssize_t poll_thread_store(struct bus_type *bus,
@@ -1141,7 +1026,7 @@ static BUS_ATTR_RW(poll_thread);
static ssize_t poll_timeout_show(struct bus_type *bus, char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%llu\n", poll_timeout);
+ return scnprintf(buf, PAGE_SIZE, "%llu\n", poll_timeout);
}
static ssize_t poll_timeout_store(struct bus_type *bus, const char *buf,
@@ -1176,7 +1061,7 @@ static ssize_t ap_max_domain_id_show(struct bus_type *bus, char *buf)
max_domain_id = ap_max_domain_id ? : -1;
else
max_domain_id = 15;
- return snprintf(buf, PAGE_SIZE, "%d\n", max_domain_id);
+ return scnprintf(buf, PAGE_SIZE, "%d\n", max_domain_id);
}
static BUS_ATTR_RO(ap_max_domain_id);
@@ -1187,10 +1072,10 @@ static ssize_t apmask_show(struct bus_type *bus, char *buf)
if (mutex_lock_interruptible(&ap_perms_mutex))
return -ERESTARTSYS;
- rc = snprintf(buf, PAGE_SIZE,
- "0x%016lx%016lx%016lx%016lx\n",
- ap_perms.apm[0], ap_perms.apm[1],
- ap_perms.apm[2], ap_perms.apm[3]);
+ rc = scnprintf(buf, PAGE_SIZE,
+ "0x%016lx%016lx%016lx%016lx\n",
+ ap_perms.apm[0], ap_perms.apm[1],
+ ap_perms.apm[2], ap_perms.apm[3]);
mutex_unlock(&ap_perms_mutex);
return rc;
@@ -1218,10 +1103,10 @@ static ssize_t aqmask_show(struct bus_type *bus, char *buf)
if (mutex_lock_interruptible(&ap_perms_mutex))
return -ERESTARTSYS;
- rc = snprintf(buf, PAGE_SIZE,
- "0x%016lx%016lx%016lx%016lx\n",
- ap_perms.aqm[0], ap_perms.aqm[1],
- ap_perms.aqm[2], ap_perms.aqm[3]);
+ rc = scnprintf(buf, PAGE_SIZE,
+ "0x%016lx%016lx%016lx%016lx\n",
+ ap_perms.aqm[0], ap_perms.aqm[1],
+ ap_perms.aqm[2], ap_perms.aqm[3]);
mutex_unlock(&ap_perms_mutex);
return rc;
@@ -1567,8 +1452,6 @@ static void ap_scan_bus(struct work_struct *unused)
static void ap_config_timeout(struct timer_list *unused)
{
- if (ap_suspend_flag)
- return;
queue_work(system_long_wq, &ap_scan_work);
}
@@ -1641,11 +1524,6 @@ static int __init ap_module_init(void)
ap_domain_index);
ap_domain_index = -1;
}
- /* In resume callback we need to know if the user had set the domain.
- * If so, we can not just reset it.
- */
- if (ap_domain_index >= 0)
- user_set_domain = 1;
if (ap_interrupts_available()) {
rc = register_adapter_interrupt(&ap_airq);
@@ -1688,17 +1566,11 @@ static int __init ap_module_init(void)
goto out_work;
}
- rc = register_pm_notifier(&ap_power_notifier);
- if (rc)
- goto out_pm;
-
queue_work(system_long_wq, &ap_scan_work);
initialised = true;
return 0;
-out_pm:
- ap_poll_thread_stop();
out_work:
hrtimer_cancel(&ap_poll_timer);
root_device_unregister(ap_root_device);
diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h
index 4348fdff1c61..8e8e37b6c0ee 100644
--- a/drivers/s390/crypto/ap_bus.h
+++ b/drivers/s390/crypto/ap_bus.h
@@ -91,7 +91,6 @@ enum ap_state {
AP_STATE_IDLE,
AP_STATE_WORKING,
AP_STATE_QUEUE_FULL,
- AP_STATE_SUSPEND_WAIT,
AP_STATE_REMOVE, /* about to be removed from driver */
AP_STATE_UNBOUND, /* momentary not bound to a driver */
AP_STATE_BORKED, /* broken */
@@ -136,8 +135,6 @@ struct ap_driver {
int (*probe)(struct ap_device *);
void (*remove)(struct ap_device *);
- void (*suspend)(struct ap_device *);
- void (*resume)(struct ap_device *);
};
#define to_ap_drv(x) container_of((x), struct ap_driver, driver)
@@ -259,8 +256,6 @@ void ap_queue_init_reply(struct ap_queue *aq, struct ap_message *ap_msg);
struct ap_queue *ap_queue_create(ap_qid_t qid, int device_type);
void ap_queue_prepare_remove(struct ap_queue *aq);
void ap_queue_remove(struct ap_queue *aq);
-void ap_queue_suspend(struct ap_device *ap_dev);
-void ap_queue_resume(struct ap_device *ap_dev);
void ap_queue_init_state(struct ap_queue *aq);
struct ap_card *ap_card_create(int id, int queue_depth, int raw_device_type,
diff --git a/drivers/s390/crypto/ap_card.c b/drivers/s390/crypto/ap_card.c
index e85bfca1ed16..0a39dfdb6a1d 100644
--- a/drivers/s390/crypto/ap_card.c
+++ b/drivers/s390/crypto/ap_card.c
@@ -23,7 +23,7 @@ static ssize_t hwtype_show(struct device *dev,
{
struct ap_card *ac = to_ap_card(dev);
- return snprintf(buf, PAGE_SIZE, "%d\n", ac->ap_dev.device_type);
+ return scnprintf(buf, PAGE_SIZE, "%d\n", ac->ap_dev.device_type);
}
static DEVICE_ATTR_RO(hwtype);
@@ -33,7 +33,7 @@ static ssize_t raw_hwtype_show(struct device *dev,
{
struct ap_card *ac = to_ap_card(dev);
- return snprintf(buf, PAGE_SIZE, "%d\n", ac->raw_hwtype);
+ return scnprintf(buf, PAGE_SIZE, "%d\n", ac->raw_hwtype);
}
static DEVICE_ATTR_RO(raw_hwtype);
@@ -43,7 +43,7 @@ static ssize_t depth_show(struct device *dev, struct device_attribute *attr,
{
struct ap_card *ac = to_ap_card(dev);
- return snprintf(buf, PAGE_SIZE, "%d\n", ac->queue_depth);
+ return scnprintf(buf, PAGE_SIZE, "%d\n", ac->queue_depth);
}
static DEVICE_ATTR_RO(depth);
@@ -53,7 +53,7 @@ static ssize_t ap_functions_show(struct device *dev,
{
struct ap_card *ac = to_ap_card(dev);
- return snprintf(buf, PAGE_SIZE, "0x%08X\n", ac->functions);
+ return scnprintf(buf, PAGE_SIZE, "0x%08X\n", ac->functions);
}
static DEVICE_ATTR_RO(ap_functions);
@@ -69,7 +69,7 @@ static ssize_t request_count_show(struct device *dev,
spin_lock_bh(&ap_list_lock);
req_cnt = atomic64_read(&ac->total_request_count);
spin_unlock_bh(&ap_list_lock);
- return snprintf(buf, PAGE_SIZE, "%llu\n", req_cnt);
+ return scnprintf(buf, PAGE_SIZE, "%llu\n", req_cnt);
}
static ssize_t request_count_store(struct device *dev,
@@ -102,7 +102,7 @@ static ssize_t requestq_count_show(struct device *dev,
for_each_ap_queue(aq, ac)
reqq_cnt += aq->requestq_count;
spin_unlock_bh(&ap_list_lock);
- return snprintf(buf, PAGE_SIZE, "%d\n", reqq_cnt);
+ return scnprintf(buf, PAGE_SIZE, "%d\n", reqq_cnt);
}
static DEVICE_ATTR_RO(requestq_count);
@@ -119,7 +119,7 @@ static ssize_t pendingq_count_show(struct device *dev,
for_each_ap_queue(aq, ac)
penq_cnt += aq->pendingq_count;
spin_unlock_bh(&ap_list_lock);
- return snprintf(buf, PAGE_SIZE, "%d\n", penq_cnt);
+ return scnprintf(buf, PAGE_SIZE, "%d\n", penq_cnt);
}
static DEVICE_ATTR_RO(pendingq_count);
@@ -127,7 +127,8 @@ static DEVICE_ATTR_RO(pendingq_count);
static ssize_t modalias_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- return sprintf(buf, "ap:t%02X\n", to_ap_dev(dev)->device_type);
+ return scnprintf(buf, PAGE_SIZE, "ap:t%02X\n",
+ to_ap_dev(dev)->device_type);
}
static DEVICE_ATTR_RO(modalias);
diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c
index a317ab484932..0eaf1d04e8df 100644
--- a/drivers/s390/crypto/ap_queue.c
+++ b/drivers/s390/crypto/ap_queue.c
@@ -152,7 +152,7 @@ static struct ap_queue_status ap_sm_recv(struct ap_queue *aq)
ap_msg->receive(aq, ap_msg, aq->reply);
break;
}
- /* fall through */
+ fallthrough;
case AP_RESPONSE_NO_PENDING_REPLY:
if (!status.queue_empty || aq->queue_count <= 0)
break;
@@ -201,31 +201,6 @@ static enum ap_wait ap_sm_read(struct ap_queue *aq)
}
/**
- * ap_sm_suspend_read(): Receive pending reply messages from an AP queue
- * without changing the device state in between. In suspend mode we don't
- * allow sending new requests, therefore just fetch pending replies.
- * @aq: pointer to the AP queue
- *
- * Returns AP_WAIT_NONE or AP_WAIT_AGAIN
- */
-static enum ap_wait ap_sm_suspend_read(struct ap_queue *aq)
-{
- struct ap_queue_status status;
-
- if (!aq->reply)
- return AP_WAIT_NONE;
- status = ap_sm_recv(aq);
- switch (status.response_code) {
- case AP_RESPONSE_NORMAL:
- if (aq->queue_count > 0)
- return AP_WAIT_AGAIN;
- /* fall through */
- default:
- return AP_WAIT_NONE;
- }
-}
-
-/**
* ap_sm_write(): Send messages from the request queue to an AP queue.
* @aq: pointer to the AP queue
*
@@ -254,7 +229,7 @@ static enum ap_wait ap_sm_write(struct ap_queue *aq)
aq->state = AP_STATE_WORKING;
return AP_WAIT_AGAIN;
}
- /* fall through */
+ fallthrough;
case AP_RESPONSE_Q_FULL:
aq->state = AP_STATE_QUEUE_FULL;
return AP_WAIT_INTERRUPT;
@@ -380,7 +355,7 @@ static enum ap_wait ap_sm_setirq_wait(struct ap_queue *aq)
case AP_RESPONSE_NORMAL:
if (aq->queue_count > 0)
return AP_WAIT_AGAIN;
- /* fallthrough */
+ fallthrough;
case AP_RESPONSE_NO_PENDING_REPLY:
return AP_WAIT_TIMEOUT;
default:
@@ -417,10 +392,6 @@ static ap_func_t *ap_jumptable[NR_AP_STATES][NR_AP_EVENTS] = {
[AP_EVENT_POLL] = ap_sm_read,
[AP_EVENT_TIMEOUT] = ap_sm_reset,
},
- [AP_STATE_SUSPEND_WAIT] = {
- [AP_EVENT_POLL] = ap_sm_suspend_read,
- [AP_EVENT_TIMEOUT] = ap_sm_nop,
- },
[AP_STATE_REMOVE] = {
[AP_EVENT_POLL] = ap_sm_nop,
[AP_EVENT_TIMEOUT] = ap_sm_nop,
@@ -450,28 +421,6 @@ enum ap_wait ap_sm_event_loop(struct ap_queue *aq, enum ap_event event)
}
/*
- * Power management for queue devices
- */
-void ap_queue_suspend(struct ap_device *ap_dev)
-{
- struct ap_queue *aq = to_ap_queue(&ap_dev->device);
-
- /* Poll on the device until all requests are finished. */
- spin_lock_bh(&aq->lock);
- aq->state = AP_STATE_SUSPEND_WAIT;
- while (ap_sm_event(aq, AP_EVENT_POLL) != AP_WAIT_NONE)
- ;
- aq->state = AP_STATE_BORKED;
- spin_unlock_bh(&aq->lock);
-}
-EXPORT_SYMBOL(ap_queue_suspend);
-
-void ap_queue_resume(struct ap_device *ap_dev)
-{
-}
-EXPORT_SYMBOL(ap_queue_resume);
-
-/*
* AP queue related attributes.
*/
static ssize_t request_count_show(struct device *dev,
@@ -484,7 +433,7 @@ static ssize_t request_count_show(struct device *dev,
spin_lock_bh(&aq->lock);
req_cnt = aq->total_request_count;
spin_unlock_bh(&aq->lock);
- return snprintf(buf, PAGE_SIZE, "%llu\n", req_cnt);
+ return scnprintf(buf, PAGE_SIZE, "%llu\n", req_cnt);
}
static ssize_t request_count_store(struct device *dev,
@@ -511,7 +460,7 @@ static ssize_t requestq_count_show(struct device *dev,
spin_lock_bh(&aq->lock);
reqq_cnt = aq->requestq_count;
spin_unlock_bh(&aq->lock);
- return snprintf(buf, PAGE_SIZE, "%d\n", reqq_cnt);
+ return scnprintf(buf, PAGE_SIZE, "%d\n", reqq_cnt);
}
static DEVICE_ATTR_RO(requestq_count);
@@ -525,7 +474,7 @@ static ssize_t pendingq_count_show(struct device *dev,
spin_lock_bh(&aq->lock);
penq_cnt = aq->pendingq_count;
spin_unlock_bh(&aq->lock);
- return snprintf(buf, PAGE_SIZE, "%d\n", penq_cnt);
+ return scnprintf(buf, PAGE_SIZE, "%d\n", penq_cnt);
}
static DEVICE_ATTR_RO(pendingq_count);
@@ -540,14 +489,14 @@ static ssize_t reset_show(struct device *dev,
switch (aq->state) {
case AP_STATE_RESET_START:
case AP_STATE_RESET_WAIT:
- rc = snprintf(buf, PAGE_SIZE, "Reset in progress.\n");
+ rc = scnprintf(buf, PAGE_SIZE, "Reset in progress.\n");
break;
case AP_STATE_WORKING:
case AP_STATE_QUEUE_FULL:
- rc = snprintf(buf, PAGE_SIZE, "Reset Timer armed.\n");
+ rc = scnprintf(buf, PAGE_SIZE, "Reset Timer armed.\n");
break;
default:
- rc = snprintf(buf, PAGE_SIZE, "No Reset Timer set.\n");
+ rc = scnprintf(buf, PAGE_SIZE, "No Reset Timer set.\n");
}
spin_unlock_bh(&aq->lock);
return rc;
@@ -581,11 +530,11 @@ static ssize_t interrupt_show(struct device *dev,
spin_lock_bh(&aq->lock);
if (aq->state == AP_STATE_SETIRQ_WAIT)
- rc = snprintf(buf, PAGE_SIZE, "Enable Interrupt pending.\n");
+ rc = scnprintf(buf, PAGE_SIZE, "Enable Interrupt pending.\n");
else if (aq->interrupt == AP_INTR_ENABLED)
- rc = snprintf(buf, PAGE_SIZE, "Interrupts enabled.\n");
+ rc = scnprintf(buf, PAGE_SIZE, "Interrupts enabled.\n");
else
- rc = snprintf(buf, PAGE_SIZE, "Interrupts disabled.\n");
+ rc = scnprintf(buf, PAGE_SIZE, "Interrupts disabled.\n");
spin_unlock_bh(&aq->lock);
return rc;
}
diff --git a/drivers/s390/crypto/pkey_api.c b/drivers/s390/crypto/pkey_api.c
index 2f33c5fcf676..74e63ec49068 100644
--- a/drivers/s390/crypto/pkey_api.c
+++ b/drivers/s390/crypto/pkey_api.c
@@ -80,7 +80,7 @@ struct clearaeskeytoken {
u8 res1[3];
u32 keytype; /* key type, one of the PKEY_KEYTYPE values */
u32 len; /* bytes actually stored in clearkey[] */
- u8 clearkey[0]; /* clear key value */
+ u8 clearkey[]; /* clear key value */
} __packed;
/*
diff --git a/drivers/s390/crypto/vfio_ap_ops.c b/drivers/s390/crypto/vfio_ap_ops.c
index 5c0f53c6dde7..e0bde8518745 100644
--- a/drivers/s390/crypto/vfio_ap_ops.c
+++ b/drivers/s390/crypto/vfio_ap_ops.c
@@ -90,7 +90,7 @@ static void vfio_ap_wait_for_irqclear(int apqn)
case AP_RESPONSE_RESET_IN_PROGRESS:
if (!status.irq_enabled)
return;
- /* Fall through */
+ fallthrough;
case AP_RESPONSE_BUSY:
msleep(20);
break;
diff --git a/drivers/s390/crypto/zcrypt_card.c b/drivers/s390/crypto/zcrypt_card.c
index d4f35a183c15..c53cab4b0c9e 100644
--- a/drivers/s390/crypto/zcrypt_card.c
+++ b/drivers/s390/crypto/zcrypt_card.c
@@ -41,7 +41,7 @@ static ssize_t type_show(struct device *dev,
{
struct zcrypt_card *zc = to_ap_card(dev)->private;
- return snprintf(buf, PAGE_SIZE, "%s\n", zc->type_string);
+ return scnprintf(buf, PAGE_SIZE, "%s\n", zc->type_string);
}
static DEVICE_ATTR_RO(type);
@@ -52,7 +52,7 @@ static ssize_t online_show(struct device *dev,
{
struct zcrypt_card *zc = to_ap_card(dev)->private;
- return snprintf(buf, PAGE_SIZE, "%d\n", zc->online);
+ return scnprintf(buf, PAGE_SIZE, "%d\n", zc->online);
}
static ssize_t online_store(struct device *dev,
@@ -86,7 +86,7 @@ static ssize_t load_show(struct device *dev,
{
struct zcrypt_card *zc = to_ap_card(dev)->private;
- return snprintf(buf, PAGE_SIZE, "%d\n", atomic_read(&zc->load));
+ return scnprintf(buf, PAGE_SIZE, "%d\n", atomic_read(&zc->load));
}
static DEVICE_ATTR_RO(load);
diff --git a/drivers/s390/crypto/zcrypt_ccamisc.c b/drivers/s390/crypto/zcrypt_ccamisc.c
index 110fe9d0cb91..1b835398feec 100644
--- a/drivers/s390/crypto/zcrypt_ccamisc.c
+++ b/drivers/s390/crypto/zcrypt_ccamisc.c
@@ -592,7 +592,7 @@ int cca_sec2protkey(u16 cardnr, u16 domain,
u8 pad2[1];
u8 vptype;
u8 vp[32]; /* verification pattern */
- } keyblock;
+ } ckb;
} lv3;
} __packed * prepparm;
@@ -650,15 +650,16 @@ int cca_sec2protkey(u16 cardnr, u16 domain,
prepparm = (struct uskrepparm *) prepcblk->rpl_parmb;
/* check the returned keyblock */
- if (prepparm->lv3.keyblock.version != 0x01) {
- DEBUG_ERR("%s reply param keyblock version mismatch 0x%02x != 0x01\n",
- __func__, (int) prepparm->lv3.keyblock.version);
+ if (prepparm->lv3.ckb.version != 0x01 &&
+ prepparm->lv3.ckb.version != 0x02) {
+ DEBUG_ERR("%s reply param keyblock version mismatch 0x%02x\n",
+ __func__, (int) prepparm->lv3.ckb.version);
rc = -EIO;
goto out;
}
/* copy the tanslated protected key */
- switch (prepparm->lv3.keyblock.len) {
+ switch (prepparm->lv3.ckb.len) {
case 16+32:
/* AES 128 protected key */
if (protkeytype)
@@ -676,13 +677,13 @@ int cca_sec2protkey(u16 cardnr, u16 domain,
break;
default:
DEBUG_ERR("%s unknown/unsupported keylen %d\n",
- __func__, prepparm->lv3.keyblock.len);
+ __func__, prepparm->lv3.ckb.len);
rc = -EIO;
goto out;
}
- memcpy(protkey, prepparm->lv3.keyblock.key, prepparm->lv3.keyblock.len);
+ memcpy(protkey, prepparm->lv3.ckb.key, prepparm->lv3.ckb.len);
if (protkeylen)
- *protkeylen = prepparm->lv3.keyblock.len;
+ *protkeylen = prepparm->lv3.ckb.len;
out:
free_cprbmem(mem, PARMBSIZE, 0);
@@ -1260,10 +1261,10 @@ int cca_cipher2protkey(u16 cardnr, u16 domain, const u8 *ckey,
prepparm = (struct aurepparm *) prepcblk->rpl_parmb;
/* check the returned keyblock */
- if (prepparm->vud.ckb.version != 0x01) {
- DEBUG_ERR(
- "%s reply param keyblock version mismatch 0x%02x != 0x01\n",
- __func__, (int) prepparm->vud.ckb.version);
+ if (prepparm->vud.ckb.version != 0x01 &&
+ prepparm->vud.ckb.version != 0x02) {
+ DEBUG_ERR("%s reply param keyblock version mismatch 0x%02x\n",
+ __func__, (int) prepparm->vud.ckb.version);
rc = -EIO;
goto out;
}
@@ -1568,9 +1569,9 @@ static int findcard(u64 mkvp, u16 *pcardnr, u16 *pdomain,
return -EINVAL;
/* fetch status of all crypto cards */
- device_status = kmalloc_array(MAX_ZDEV_ENTRIES_EXT,
- sizeof(struct zcrypt_device_status_ext),
- GFP_KERNEL);
+ device_status = kvmalloc_array(MAX_ZDEV_ENTRIES_EXT,
+ sizeof(struct zcrypt_device_status_ext),
+ GFP_KERNEL);
if (!device_status)
return -ENOMEM;
zcrypt_device_status_mask_ext(device_status);
@@ -1640,7 +1641,7 @@ static int findcard(u64 mkvp, u16 *pcardnr, u16 *pdomain,
} else
rc = -ENODEV;
- kfree(device_status);
+ kvfree(device_status);
return rc;
}
diff --git a/drivers/s390/crypto/zcrypt_ccamisc.h b/drivers/s390/crypto/zcrypt_ccamisc.h
index 3a9876d5ab0e..8b7a641671c9 100644
--- a/drivers/s390/crypto/zcrypt_ccamisc.h
+++ b/drivers/s390/crypto/zcrypt_ccamisc.h
@@ -90,7 +90,7 @@ struct cipherkeytoken {
u16 kmf1; /* key management field 1 */
u16 kmf2; /* key management field 2 */
u16 kmf3; /* key management field 3 */
- u8 vdata[0]; /* variable part data follows */
+ u8 vdata[]; /* variable part data follows */
} __packed;
/* Some defines for the CCA AES cipherkeytoken kmf1 field */
diff --git a/drivers/s390/crypto/zcrypt_cex2a.c b/drivers/s390/crypto/zcrypt_cex2a.c
index 7cbb384ec535..b447f3e9e4a2 100644
--- a/drivers/s390/crypto/zcrypt_cex2a.c
+++ b/drivers/s390/crypto/zcrypt_cex2a.c
@@ -204,8 +204,6 @@ static void zcrypt_cex2a_queue_remove(struct ap_device *ap_dev)
static struct ap_driver zcrypt_cex2a_queue_driver = {
.probe = zcrypt_cex2a_queue_probe,
.remove = zcrypt_cex2a_queue_remove,
- .suspend = ap_queue_suspend,
- .resume = ap_queue_resume,
.ids = zcrypt_cex2a_queue_ids,
.flags = AP_DRIVER_FLAG_DEFAULT,
};
diff --git a/drivers/s390/crypto/zcrypt_cex2c.c b/drivers/s390/crypto/zcrypt_cex2c.c
index c78c0d119806..266440168bb7 100644
--- a/drivers/s390/crypto/zcrypt_cex2c.c
+++ b/drivers/s390/crypto/zcrypt_cex2c.c
@@ -260,8 +260,6 @@ static void zcrypt_cex2c_queue_remove(struct ap_device *ap_dev)
static struct ap_driver zcrypt_cex2c_queue_driver = {
.probe = zcrypt_cex2c_queue_probe,
.remove = zcrypt_cex2c_queue_remove,
- .suspend = ap_queue_suspend,
- .resume = ap_queue_resume,
.ids = zcrypt_cex2c_queue_ids,
.flags = AP_DRIVER_FLAG_DEFAULT,
};
diff --git a/drivers/s390/crypto/zcrypt_cex4.c b/drivers/s390/crypto/zcrypt_cex4.c
index 9a9d02e19774..cdaa8348ad04 100644
--- a/drivers/s390/crypto/zcrypt_cex4.c
+++ b/drivers/s390/crypto/zcrypt_cex4.c
@@ -87,7 +87,7 @@ static ssize_t cca_serialnr_show(struct device *dev,
if (ap_domain_index >= 0)
cca_get_info(ac->id, ap_domain_index, &ci, zc->online);
- return snprintf(buf, PAGE_SIZE, "%s\n", ci.serial);
+ return scnprintf(buf, PAGE_SIZE, "%s\n", ci.serial);
}
static struct device_attribute dev_attr_cca_serialnr =
@@ -122,22 +122,24 @@ static ssize_t cca_mkvps_show(struct device *dev,
&ci, zq->online);
if (ci.new_mk_state >= '1' && ci.new_mk_state <= '3')
- n = snprintf(buf, PAGE_SIZE, "AES NEW: %s 0x%016llx\n",
- new_state[ci.new_mk_state - '1'], ci.new_mkvp);
+ n = scnprintf(buf, PAGE_SIZE, "AES NEW: %s 0x%016llx\n",
+ new_state[ci.new_mk_state - '1'], ci.new_mkvp);
else
- n = snprintf(buf, PAGE_SIZE, "AES NEW: - -\n");
+ n = scnprintf(buf, PAGE_SIZE, "AES NEW: - -\n");
if (ci.cur_mk_state >= '1' && ci.cur_mk_state <= '2')
- n += snprintf(buf + n, PAGE_SIZE - n, "AES CUR: %s 0x%016llx\n",
- cao_state[ci.cur_mk_state - '1'], ci.cur_mkvp);
+ n += scnprintf(buf + n, PAGE_SIZE - n,
+ "AES CUR: %s 0x%016llx\n",
+ cao_state[ci.cur_mk_state - '1'], ci.cur_mkvp);
else
- n += snprintf(buf + n, PAGE_SIZE - n, "AES CUR: - -\n");
+ n += scnprintf(buf + n, PAGE_SIZE - n, "AES CUR: - -\n");
if (ci.old_mk_state >= '1' && ci.old_mk_state <= '2')
- n += snprintf(buf + n, PAGE_SIZE - n, "AES OLD: %s 0x%016llx\n",
- cao_state[ci.old_mk_state - '1'], ci.old_mkvp);
+ n += scnprintf(buf + n, PAGE_SIZE - n,
+ "AES OLD: %s 0x%016llx\n",
+ cao_state[ci.old_mk_state - '1'], ci.old_mkvp);
else
- n += snprintf(buf + n, PAGE_SIZE - n, "AES OLD: - -\n");
+ n += scnprintf(buf + n, PAGE_SIZE - n, "AES OLD: - -\n");
return n;
}
@@ -170,9 +172,9 @@ static ssize_t ep11_api_ordinalnr_show(struct device *dev,
ep11_get_card_info(ac->id, &ci, zc->online);
if (ci.API_ord_nr > 0)
- return snprintf(buf, PAGE_SIZE, "%u\n", ci.API_ord_nr);
+ return scnprintf(buf, PAGE_SIZE, "%u\n", ci.API_ord_nr);
else
- return snprintf(buf, PAGE_SIZE, "\n");
+ return scnprintf(buf, PAGE_SIZE, "\n");
}
static struct device_attribute dev_attr_ep11_api_ordinalnr =
@@ -191,11 +193,11 @@ static ssize_t ep11_fw_version_show(struct device *dev,
ep11_get_card_info(ac->id, &ci, zc->online);
if (ci.FW_version > 0)
- return snprintf(buf, PAGE_SIZE, "%d.%d\n",
- (int)(ci.FW_version >> 8),
- (int)(ci.FW_version & 0xFF));
+ return scnprintf(buf, PAGE_SIZE, "%d.%d\n",
+ (int)(ci.FW_version >> 8),
+ (int)(ci.FW_version & 0xFF));
else
- return snprintf(buf, PAGE_SIZE, "\n");
+ return scnprintf(buf, PAGE_SIZE, "\n");
}
static struct device_attribute dev_attr_ep11_fw_version =
@@ -214,9 +216,9 @@ static ssize_t ep11_serialnr_show(struct device *dev,
ep11_get_card_info(ac->id, &ci, zc->online);
if (ci.serial[0])
- return snprintf(buf, PAGE_SIZE, "%16.16s\n", ci.serial);
+ return scnprintf(buf, PAGE_SIZE, "%16.16s\n", ci.serial);
else
- return snprintf(buf, PAGE_SIZE, "\n");
+ return scnprintf(buf, PAGE_SIZE, "\n");
}
static struct device_attribute dev_attr_ep11_serialnr =
@@ -251,11 +253,11 @@ static ssize_t ep11_card_op_modes_show(struct device *dev,
if (ci.op_mode & (1 << ep11_op_modes[i].mode_bit)) {
if (n > 0)
buf[n++] = ' ';
- n += snprintf(buf + n, PAGE_SIZE - n,
- "%s", ep11_op_modes[i].mode_txt);
+ n += scnprintf(buf + n, PAGE_SIZE - n,
+ "%s", ep11_op_modes[i].mode_txt);
}
}
- n += snprintf(buf + n, PAGE_SIZE - n, "\n");
+ n += scnprintf(buf + n, PAGE_SIZE - n, "\n");
return n;
}
@@ -298,28 +300,28 @@ static ssize_t ep11_mkvps_show(struct device *dev,
&di);
if (di.cur_wk_state == '0') {
- n = snprintf(buf, PAGE_SIZE, "WK CUR: %s -\n",
- cwk_state[di.cur_wk_state - '0']);
+ n = scnprintf(buf, PAGE_SIZE, "WK CUR: %s -\n",
+ cwk_state[di.cur_wk_state - '0']);
} else if (di.cur_wk_state == '1') {
- n = snprintf(buf, PAGE_SIZE, "WK CUR: %s 0x",
- cwk_state[di.cur_wk_state - '0']);
+ n = scnprintf(buf, PAGE_SIZE, "WK CUR: %s 0x",
+ cwk_state[di.cur_wk_state - '0']);
bin2hex(buf + n, di.cur_wkvp, sizeof(di.cur_wkvp));
n += 2 * sizeof(di.cur_wkvp);
- n += snprintf(buf + n, PAGE_SIZE - n, "\n");
+ n += scnprintf(buf + n, PAGE_SIZE - n, "\n");
} else
- n = snprintf(buf, PAGE_SIZE, "WK CUR: - -\n");
+ n = scnprintf(buf, PAGE_SIZE, "WK CUR: - -\n");
if (di.new_wk_state == '0') {
- n += snprintf(buf + n, PAGE_SIZE - n, "WK NEW: %s -\n",
- nwk_state[di.new_wk_state - '0']);
+ n += scnprintf(buf + n, PAGE_SIZE - n, "WK NEW: %s -\n",
+ nwk_state[di.new_wk_state - '0']);
} else if (di.new_wk_state >= '1' && di.new_wk_state <= '2') {
- n += snprintf(buf + n, PAGE_SIZE - n, "WK NEW: %s 0x",
- nwk_state[di.new_wk_state - '0']);
+ n += scnprintf(buf + n, PAGE_SIZE - n, "WK NEW: %s 0x",
+ nwk_state[di.new_wk_state - '0']);
bin2hex(buf + n, di.new_wkvp, sizeof(di.new_wkvp));
n += 2 * sizeof(di.new_wkvp);
- n += snprintf(buf + n, PAGE_SIZE - n, "\n");
+ n += scnprintf(buf + n, PAGE_SIZE - n, "\n");
} else
- n += snprintf(buf + n, PAGE_SIZE - n, "WK NEW: - -\n");
+ n += scnprintf(buf + n, PAGE_SIZE - n, "WK NEW: - -\n");
return n;
}
@@ -346,11 +348,11 @@ static ssize_t ep11_queue_op_modes_show(struct device *dev,
if (di.op_mode & (1 << ep11_op_modes[i].mode_bit)) {
if (n > 0)
buf[n++] = ' ';
- n += snprintf(buf + n, PAGE_SIZE - n,
- "%s", ep11_op_modes[i].mode_txt);
+ n += scnprintf(buf + n, PAGE_SIZE - n,
+ "%s", ep11_op_modes[i].mode_txt);
}
}
- n += snprintf(buf + n, PAGE_SIZE - n, "\n");
+ n += scnprintf(buf + n, PAGE_SIZE - n, "\n");
return n;
}
@@ -654,8 +656,6 @@ static void zcrypt_cex4_queue_remove(struct ap_device *ap_dev)
static struct ap_driver zcrypt_cex4_queue_driver = {
.probe = zcrypt_cex4_queue_probe,
.remove = zcrypt_cex4_queue_remove,
- .suspend = ap_queue_suspend,
- .resume = ap_queue_resume,
.ids = zcrypt_cex4_queue_ids,
.flags = AP_DRIVER_FLAG_DEFAULT,
};
diff --git a/drivers/s390/crypto/zcrypt_ep11misc.c b/drivers/s390/crypto/zcrypt_ep11misc.c
index 2afe2153b34e..004ce022fc78 100644
--- a/drivers/s390/crypto/zcrypt_ep11misc.c
+++ b/drivers/s390/crypto/zcrypt_ep11misc.c
@@ -1217,9 +1217,9 @@ int ep11_findcard2(u32 **apqns, u32 *nr_apqns, u16 cardnr, u16 domain,
struct ep11_card_info eci;
/* fetch status of all crypto cards */
- device_status = kmalloc_array(MAX_ZDEV_ENTRIES_EXT,
- sizeof(struct zcrypt_device_status_ext),
- GFP_KERNEL);
+ device_status = kvmalloc_array(MAX_ZDEV_ENTRIES_EXT,
+ sizeof(struct zcrypt_device_status_ext),
+ GFP_KERNEL);
if (!device_status)
return -ENOMEM;
zcrypt_device_status_mask_ext(device_status);
@@ -1227,7 +1227,7 @@ int ep11_findcard2(u32 **apqns, u32 *nr_apqns, u16 cardnr, u16 domain,
/* allocate 1k space for up to 256 apqns */
_apqns = kmalloc_array(256, sizeof(u32), GFP_KERNEL);
if (!_apqns) {
- kfree(device_status);
+ kvfree(device_status);
return -ENOMEM;
}
@@ -1282,7 +1282,7 @@ int ep11_findcard2(u32 **apqns, u32 *nr_apqns, u16 cardnr, u16 domain,
rc = 0;
}
- kfree(device_status);
+ kvfree(device_status);
return rc;
}
EXPORT_SYMBOL(ep11_findcard2);
diff --git a/drivers/s390/crypto/zcrypt_msgtype6.c b/drivers/s390/crypto/zcrypt_msgtype6.c
index a36251d138fb..fd1cbb2d6b3f 100644
--- a/drivers/s390/crypto/zcrypt_msgtype6.c
+++ b/drivers/s390/crypto/zcrypt_msgtype6.c
@@ -590,7 +590,7 @@ struct type86x_reply {
struct CPRBX cprbx;
unsigned char pad[4]; /* 4 byte function code/rules block ? */
unsigned short length;
- char text[0];
+ char text[];
} __packed;
struct type86_ep11_reply {
@@ -801,7 +801,7 @@ static int convert_response_ica(struct zcrypt_queue *zq,
if (msg->cprbx.cprb_ver_id == 0x02)
return convert_type86_ica(zq, reply,
outputdata, outputdatalength);
- /* fall through - wrong cprb version is an unknown response */
+ fallthrough; /* wrong cprb version is an unknown response */
default: /* Unknown response type, this should NEVER EVER happen */
zq->online = 0;
pr_err("Cryptographic device %02x.%04x failed and was set offline\n",
@@ -834,7 +834,7 @@ static int convert_response_xcrb(struct zcrypt_queue *zq,
}
if (msg->cprbx.cprb_ver_id == 0x02)
return convert_type86_xcrb(zq, reply, xcRB);
- /* fall through - wrong cprb version is an unknown response */
+ fallthrough; /* wrong cprb version is an unknown response */
default: /* Unknown response type, this should NEVER EVER happen */
xcRB->status = 0x0008044DL; /* HDD_InvalidParm */
zq->online = 0;
@@ -864,7 +864,7 @@ static int convert_response_ep11_xcrb(struct zcrypt_queue *zq,
return convert_error(zq, reply);
if (msg->cprbx.cprb_ver_id == 0x04)
return convert_type86_ep11_xcrb(zq, reply, xcRB);
- /* fall through - wrong cprb version is an unknown resp */
+ fallthrough; /* wrong cprb version is an unknown resp */
default: /* Unknown response type, this should NEVER EVER happen */
zq->online = 0;
pr_err("Cryptographic device %02x.%04x failed and was set offline\n",
@@ -894,7 +894,7 @@ static int convert_response_rng(struct zcrypt_queue *zq,
return -EINVAL;
if (msg->cprbx.cprb_ver_id == 0x02)
return convert_type86_rng(zq, reply, data);
- /* fall through - wrong cprb version is an unknown response */
+ fallthrough; /* wrong cprb version is an unknown response */
default: /* Unknown response type, this should NEVER EVER happen */
zq->online = 0;
pr_err("Cryptographic device %02x.%04x failed and was set offline\n",
diff --git a/drivers/s390/crypto/zcrypt_queue.c b/drivers/s390/crypto/zcrypt_queue.c
index 522c4bc69a08..b7d9fa567880 100644
--- a/drivers/s390/crypto/zcrypt_queue.c
+++ b/drivers/s390/crypto/zcrypt_queue.c
@@ -42,7 +42,7 @@ static ssize_t online_show(struct device *dev,
{
struct zcrypt_queue *zq = to_ap_queue(dev)->private;
- return snprintf(buf, PAGE_SIZE, "%d\n", zq->online);
+ return scnprintf(buf, PAGE_SIZE, "%d\n", zq->online);
}
static ssize_t online_store(struct device *dev,
@@ -78,7 +78,7 @@ static ssize_t load_show(struct device *dev,
{
struct zcrypt_queue *zq = to_ap_queue(dev)->private;
- return snprintf(buf, PAGE_SIZE, "%d\n", atomic_read(&zq->load));
+ return scnprintf(buf, PAGE_SIZE, "%d\n", atomic_read(&zq->load));
}
static DEVICE_ATTR_RO(load);