Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: (34 commits)
  [SCSI] qla2xxx: Fix NULL ptr deref bug in fail path during queue create
  [SCSI] st: fix possible memory use after free after MTSETBLK ioctl
  [SCSI] be2iscsi: Moving to pci_pools v3
  [SCSI] libiscsi: iscsi_session_setup to allow for private space
  [SCSI] be2iscsi: add 10Gbps iSCSI - BladeEngine 2 driver
  [SCSI] zfcp: Fix hang when offlining device with offline chpid
  [SCSI] zfcp: Fix lockdep warning when offlining device with offline chpid
  [SCSI] zfcp: Fix oops during shutdown of offline device
  [SCSI] zfcp: Fix initial device and cfdc for delayed adapter allocation
  [SCSI] zfcp: correctly initialize unchained requests
  [SCSI] mpt2sas: Bump version 02.100.03.00
  [SCSI] mpt2sas: Support dev remove when phy status is MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT
  [SCSI] mpt2sas: Timeout occurred within the HANDSHAKE logic while waiting on firmware to ACK.
  [SCSI] mpt2sas: Call init_completion on a per request basis.
  [SCSI] mpt2sas: Target Reset will be issued from Interrupt context.
  [SCSI] mpt2sas: Added SCSIIO, Internal and high priority memory pools to support multiple TM
  [SCSI] mpt2sas: Copyright change to 2009.
  [SCSI] mpt2sas: Added mpi2_history.txt for MPI2 headers.
  [SCSI] mpt2sas: Update driver to MPI2 REV K headers.
  [SCSI] bfa: Brocade BFA FC SCSI driver
  ...

1 files changed, 16 insertions, 1 deletions

diff --git a/drivers/s390/scsi/zfcp_cfdc.c b/drivers/s390/scsi/zfcp_cfdc.c
index 8305c874e86f..ef681dfed0cc 100644
--- a/drivers/s390/scsi/zfcp_cfdc.c
+++ b/drivers/s390/scsi/zfcp_cfdc.c
@@ -86,8 +86,23 @@ static int zfcp_cfdc_copy_to_user(void __user  *user_buffer,
 static struct zfcp_adapter *zfcp_cfdc_get_adapter(u32 devno)
 {
         char busid[9];
+        struct ccw_device *ccwdev;
+        struct zfcp_adapter *adapter = NULL;
+
         snprintf(busid, sizeof(busid), "0.0.%04x", devno);
-        return zfcp_get_adapter_by_busid(busid);
+        ccwdev = get_ccwdev_by_busid(&zfcp_ccw_driver, busid);
+        if (!ccwdev)
+                goto out;
+
+        adapter = dev_get_drvdata(&ccwdev->dev);
+        if (!adapter)
+                goto out_put;
+
+        zfcp_adapter_get(adapter);
+out_put:
+        put_device(&ccwdev->dev);
+out:
+        return adapter;
 }
 
 static int zfcp_cfdc_set_fsf(struct zfcp_fsf_cfdc *fsf_cfdc, int command)