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authorSwen Schillig <swen@vnet.ibm.com>2009-11-24 16:53:59 +0100
committerJames Bottomley <James.Bottomley@suse.de>2009-12-04 12:02:02 -0600
commitf3450c7b917201bb49d67032e9f60d5125675d6a (patch)
tree404b1c23490b0a5ba3d6cbbb14e64381a12a108a /drivers/s390/scsi/zfcp_cfdc.c
parentecf0c7721b104c0ce9c8ca534c911f6310cf92a8 (diff)
[SCSI] zfcp: Replace local reference counting with common kref
Replace the local reference counting by already available mechanisms offered by kref. Where possible existing device structures were used, including the same functionality. Signed-off-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/s390/scsi/zfcp_cfdc.c')
-rw-r--r--drivers/s390/scsi/zfcp_cfdc.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/s390/scsi/zfcp_cfdc.c b/drivers/s390/scsi/zfcp_cfdc.c
index ef681dfed0c..856f82dbcb1 100644
--- a/drivers/s390/scsi/zfcp_cfdc.c
+++ b/drivers/s390/scsi/zfcp_cfdc.c
@@ -98,7 +98,7 @@ static struct zfcp_adapter *zfcp_cfdc_get_adapter(u32 devno)
if (!adapter)
goto out_put;
- zfcp_adapter_get(adapter);
+ kref_get(&adapter->ref);
out_put:
put_device(&ccwdev->dev);
out:
@@ -212,7 +212,6 @@ static long zfcp_cfdc_dev_ioctl(struct file *file, unsigned int command,
retval = -ENXIO;
goto free_buffer;
}
- zfcp_adapter_get(adapter);
retval = zfcp_cfdc_sg_setup(data->command, fsf_cfdc->sg,
data_user->control_file);
@@ -245,7 +244,7 @@ static long zfcp_cfdc_dev_ioctl(struct file *file, unsigned int command,
free_sg:
zfcp_sg_free_table(fsf_cfdc->sg, ZFCP_CFDC_PAGES);
adapter_put:
- zfcp_adapter_put(adapter);
+ kref_put(&adapter->ref, zfcp_adapter_release);
free_buffer:
kfree(data);
no_mem_sense: