summaryrefslogtreecommitdiff
path: root/drivers/s390/crypto/zcrypt_queue.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/s390/crypto/zcrypt_queue.c')
-rw-r--r--drivers/s390/crypto/zcrypt_queue.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/s390/crypto/zcrypt_queue.c b/drivers/s390/crypto/zcrypt_queue.c
index 1552a850a52e..a173d32eb6e8 100644
--- a/drivers/s390/crypto/zcrypt_queue.c
+++ b/drivers/s390/crypto/zcrypt_queue.c
@@ -11,6 +11,7 @@
* MSGTYPE restruct: Holger Dengler <hd@linux.vnet.ibm.com>
*/
+#include <linux/export.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/interrupt.h>
@@ -18,7 +19,6 @@
#include <linux/fs.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
-#include <linux/compat.h>
#include <linux/slab.h>
#include <linux/atomic.h>
#include <linux/uaccess.h>
@@ -42,9 +42,9 @@ static ssize_t online_show(struct device *dev,
{
struct zcrypt_queue *zq = dev_get_drvdata(dev);
struct ap_queue *aq = to_ap_queue(dev);
- int online = aq->config && zq->online ? 1 : 0;
+ int online = aq->config && !aq->chkstop && zq->online ? 1 : 0;
- return scnprintf(buf, PAGE_SIZE, "%d\n", online);
+ return sysfs_emit(buf, "%d\n", online);
}
static ssize_t online_store(struct device *dev,
@@ -59,7 +59,8 @@ static ssize_t online_store(struct device *dev,
if (sscanf(buf, "%d\n", &online) != 1 || online < 0 || online > 1)
return -EINVAL;
- if (online && (!aq->config || !aq->card->config))
+ if (online && (!aq->config || !aq->card->config ||
+ aq->chkstop || aq->card->chkstop))
return -ENODEV;
if (online && !zc->online)
return -EINVAL;
@@ -84,7 +85,7 @@ static ssize_t load_show(struct device *dev,
{
struct zcrypt_queue *zq = dev_get_drvdata(dev);
- return scnprintf(buf, PAGE_SIZE, "%d\n", atomic_read(&zq->load));
+ return sysfs_emit(buf, "%d\n", atomic_read(&zq->load));
}
static DEVICE_ATTR_RO(load);
@@ -114,7 +115,7 @@ struct zcrypt_queue *zcrypt_queue_alloc(size_t reply_buf_size)
{
struct zcrypt_queue *zq;
- zq = kzalloc(sizeof(struct zcrypt_queue), GFP_KERNEL);
+ zq = kzalloc(sizeof(*zq), GFP_KERNEL);
if (!zq)
return NULL;
zq->reply.msg = kmalloc(reply_buf_size, GFP_KERNEL);