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Commit ec4081c6 authored by Andreas Herrmann's avatar Andreas Herrmann Committed by James Bottomley
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[SCSI] zfcp: (cleanup) kmalloc/kzalloc replacement 



Replace kmalloc/memset by kzalloc or kcalloc.

Signed-off-by: default avatarAndreas Herrmann <aherrman@de.ibm.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent ca3271b4

drivers/s390/scsi/zfcp_aux.c

+5 −10
Original line number Diff line number Diff line
@@ -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);

drivers/s390/scsi/zfcp_erp.c

+3 −6
Original line number Diff line number Diff line
@@ -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)

drivers/s390/scsi/zfcp_scsi.c

+2 −4
Original line number Diff line number Diff line
@@ -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) {