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authorBrian King <brking@linux.vnet.ibm.com>2008-12-09 20:03:50 +0900
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-12-09 09:45:30 -0600
commit57458036af75c6dbb62bee04b3982e92261eddb1 (patch)
tree63d1611f4f54165e1dbb2bce92fcacb7b0b045b0 /drivers/scsi
parentd3acf0226debeae22d87808f8f298386bd08e391 (diff)
downloadop-kernel-dev-57458036af75c6dbb62bee04b3982e92261eddb1.zip
op-kernel-dev-57458036af75c6dbb62bee04b3982e92261eddb1.tar.gz
[SCSI] ibmvstgt: move crq_queue_create to the end of initialization
Calling crq_queue_create could lead to the creation of a rport. We need to set up everything before creating a rport. This moves crq_queue_create to the end of initialization to avoid a race which causes an oops if lost. Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Reported-by: Olaf Hering <olh@suse.de> Cc: stable@kernel.org Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/ibmvscsi/ibmvstgt.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/scsi/ibmvscsi/ibmvstgt.c b/drivers/scsi/ibmvscsi/ibmvstgt.c
index 2a5b29d..e2dd6a4 100644
--- a/drivers/scsi/ibmvscsi/ibmvstgt.c
+++ b/drivers/scsi/ibmvscsi/ibmvstgt.c
@@ -864,21 +864,23 @@ static int ibmvstgt_probe(struct vio_dev *dev, const struct vio_device_id *id)
INIT_WORK(&vport->crq_work, handle_crq);
- err = crq_queue_create(&vport->crq_queue, target);
+ err = scsi_add_host(shost, target->dev);
if (err)
goto free_srp_target;
- err = scsi_add_host(shost, target->dev);
+ err = scsi_tgt_alloc_queue(shost);
if (err)
- goto destroy_queue;
+ goto remove_host;
- err = scsi_tgt_alloc_queue(shost);
+ err = crq_queue_create(&vport->crq_queue, target);
if (err)
- goto destroy_queue;
+ goto free_queue;
return 0;
-destroy_queue:
- crq_queue_destroy(target);
+free_queue:
+ scsi_tgt_free_queue(shost);
+remove_host:
+ scsi_remove_host(shost);
free_srp_target:
srp_target_free(target);
put_host:
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