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Commit 3869bb6e authored by Christof Schmitt's avatar Christof Schmitt Committed by James Bottomley
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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: default avatarMartin Petermann <martin@linux.vnet.ibm.com>
Signed-off-by: default avatarChristof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 6ab35c07

drivers/s390/scsi/zfcp_cfdc.c

+2 −1
Original line number Diff line number Diff line
@@ -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);