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[SCSI] zfcp: Reference counting for cfdc requests 

Before dropping the reference count with zfcp_adapter_put, increase it
with zfcp_adapter_get when issuing cfdc requests.

Reviewed-by: Martin Petermann <martin@linux.vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Christof Schmitt 2009-04-17 15:08:14 +02:00 committed by James Bottomley
parent 6ab35c0713
commit 3869bb6e73
1 changed files with 2 additions and 1 deletions
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3
drivers/s390/scsi/zfcp_cfdc.c
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@ -4,7 +4,7 @@
* Userspace interface for accessing the
* Access Control Lists / Control File Data Channel
*
* Copyright IBM Corporation 2008
* Copyright IBM Corporation 2008, 2009
*/
#define KMSG_COMPONENT "zfcp"
@ -197,6 +197,7 @@ 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);