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path: root/drivers/s390
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Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/scsi/zfcp_aux.c15
-rw-r--r--drivers/s390/scsi/zfcp_erp.c9
-rw-r--r--drivers/s390/scsi/zfcp_scsi.c6
3 files changed, 10 insertions, 20 deletions
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 12bc8f2905c..4a17ce49980 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -289,12 +289,11 @@ zfcp_cfdc_dev_ioctl(struct file *file, unsigned int command,
goto out;
}
- sg_list = kmalloc(sizeof(struct zfcp_sg_list), GFP_KERNEL);
+ sg_list = kzalloc(sizeof(struct zfcp_sg_list), GFP_KERNEL);
if (sg_list == NULL) {
retval = -ENOMEM;
goto out;
}
- memset(sg_list, 0, sizeof(*sg_list));
if (command != ZFCP_CFDC_IOC) {
ZFCP_LOG_INFO("IOC request code 0x%x invalid\n", command);
@@ -476,14 +475,13 @@ zfcp_sg_list_alloc(struct zfcp_sg_list *sg_list, size_t size)
sg_list->count = size >> PAGE_SHIFT;
if (size & ~PAGE_MASK)
sg_list->count++;
- sg_list->sg = kmalloc(sg_list->count * sizeof(struct scatterlist),
+ sg_list->sg = kcalloc(sg_list->count, sizeof(struct scatterlist),
GFP_KERNEL);
if (sg_list->sg == NULL) {
sg_list->count = 0;
retval = -ENOMEM;
goto out;
}
- memset(sg_list->sg, 0, sg_list->count * sizeof(struct scatterlist));
for (i = 0, sg = sg_list->sg; i < sg_list->count; i++, sg++) {
sg->length = min(size, PAGE_SIZE);
@@ -756,10 +754,9 @@ zfcp_unit_enqueue(struct zfcp_port *port, fcp_lun_t fcp_lun)
if (unit)
return NULL;
- unit = kmalloc(sizeof (struct zfcp_unit), GFP_KERNEL);
+ unit = kzalloc(sizeof (struct zfcp_unit), GFP_KERNEL);
if (!unit)
return NULL;
- memset(unit, 0, sizeof (struct zfcp_unit));
/* initialise reference count stuff */
atomic_set(&unit->refcount, 0);
@@ -927,13 +924,12 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device)
*/
/* try to allocate new adapter data structure (zeroed) */
- adapter = kmalloc(sizeof (struct zfcp_adapter), GFP_KERNEL);
+ adapter = kzalloc(sizeof (struct zfcp_adapter), GFP_KERNEL);
if (!adapter) {
ZFCP_LOG_INFO("error: allocation of base adapter "
"structure failed\n");
goto out;
}
- memset(adapter, 0, sizeof (struct zfcp_adapter));
ccw_device->handler = NULL;
@@ -1137,10 +1133,9 @@ zfcp_port_enqueue(struct zfcp_adapter *adapter, wwn_t wwpn, u32 status,
return NULL;
}
- port = kmalloc(sizeof (struct zfcp_port), GFP_KERNEL);
+ port = kzalloc(sizeof (struct zfcp_port), GFP_KERNEL);
if (!port)
return NULL;
- memset(port, 0, sizeof (struct zfcp_port));
/* initialise reference count stuff */
atomic_set(&port->refcount, 0);
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index f57440c96e2..ea2e7a39889 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -275,20 +275,17 @@ zfcp_erp_adisc(struct zfcp_port *port)
int retval = 0;
struct timer_list *timer;
- send_els = kmalloc(sizeof(struct zfcp_send_els), GFP_ATOMIC);
+ send_els = kzalloc(sizeof(struct zfcp_send_els), GFP_ATOMIC);
if (send_els == NULL)
goto nomem;
- memset(send_els, 0, sizeof(*send_els));
- send_els->req = kmalloc(sizeof(struct scatterlist), GFP_ATOMIC);
+ send_els->req = kzalloc(sizeof(struct scatterlist), GFP_ATOMIC);
if (send_els->req == NULL)
goto nomem;
- memset(send_els->req, 0, sizeof(*send_els->req));
- send_els->resp = kmalloc(sizeof(struct scatterlist), GFP_ATOMIC);
+ send_els->resp = kzalloc(sizeof(struct scatterlist), GFP_ATOMIC);
if (send_els->resp == NULL)
goto nomem;
- memset(send_els->resp, 0, sizeof(*send_els->resp));
address = (void *) get_zeroed_page(GFP_ATOMIC);
if (address == NULL)
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 118cf0fa0af..3a180d80c3c 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -761,10 +761,9 @@ zfcp_get_fc_host_stats(struct Scsi_Host *shost)
if (!fc_stats)
return NULL;
- data = kmalloc(sizeof(*data), GFP_KERNEL);
+ data = kzalloc(sizeof(*data), GFP_KERNEL);
if (!data)
return NULL;
- memset(data, 0, sizeof(*data));
ret = zfcp_fsf_exchange_port_data(NULL, adapter, data);
if (ret) {
@@ -792,10 +791,9 @@ zfcp_reset_fc_host_stats(struct Scsi_Host *shost)
int ret;
adapter = (struct zfcp_adapter *)shost->hostdata[0];
- data = kmalloc(sizeof(*data), GFP_KERNEL);
+ data = kzalloc(sizeof(*data), GFP_KERNEL);
if (!data)
return;
- memset(data, 0, sizeof(*data));
ret = zfcp_fsf_exchange_port_data(NULL, adapter, data);
if (ret == 0) {