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Diffstat (limited to 'drivers/infiniband/hw/usnic')
-rw-r--r--drivers/infiniband/hw/usnic/usnic_ib_verbs.c45
1 files changed, 23 insertions, 22 deletions
diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
index bcd6f7b1c634..44a93326f7b5 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
@@ -152,7 +152,7 @@ find_free_vf_and_create_qp_grp(struct usnic_ib_dev *us_ibdev,
struct usnic_vnic *vnic;
struct usnic_ib_qp_grp *qp_grp;
struct device *dev, **dev_list;
- int i, found = 0;
+ int i;
BUG_ON(!mutex_is_locked(&us_ibdev->usdev_lock));
@@ -174,8 +174,13 @@ find_free_vf_and_create_qp_grp(struct usnic_ib_dev *us_ibdev,
us_ibdev->ib_dev.name,
pci_name(usnic_vnic_get_pdev(
vnic)));
- found = 1;
- break;
+ qp_grp = usnic_ib_qp_grp_create(us_ibdev->ufdev,
+ vf, pd,
+ res_spec,
+ trans_spec);
+
+ spin_unlock(&vf->lock);
+ goto qp_grp_check;
}
spin_unlock(&vf->lock);
@@ -183,34 +188,30 @@ find_free_vf_and_create_qp_grp(struct usnic_ib_dev *us_ibdev,
usnic_uiom_free_dev_list(dev_list);
}
- if (!found) {
- /* Try to find resources on an unused vf */
- list_for_each_entry(vf, &us_ibdev->vf_dev_list, link) {
- spin_lock(&vf->lock);
- vnic = vf->vnic;
- if (vf->qp_grp_ref_cnt == 0 &&
- usnic_vnic_check_room(vnic, res_spec) == 0) {
- found = 1;
- break;
- }
+ /* Try to find resources on an unused vf */
+ list_for_each_entry(vf, &us_ibdev->vf_dev_list, link) {
+ spin_lock(&vf->lock);
+ vnic = vf->vnic;
+ if (vf->qp_grp_ref_cnt == 0 &&
+ usnic_vnic_check_room(vnic, res_spec) == 0) {
+ qp_grp = usnic_ib_qp_grp_create(us_ibdev->ufdev, vf,
+ pd, res_spec,
+ trans_spec);
+
spin_unlock(&vf->lock);
+ goto qp_grp_check;
}
+ spin_unlock(&vf->lock);
}
- if (!found) {
- usnic_info("No free qp grp found on %s\n",
- us_ibdev->ib_dev.name);
- return ERR_PTR(-ENOMEM);
- }
+ usnic_info("No free qp grp found on %s\n", us_ibdev->ib_dev.name);
+ return ERR_PTR(-ENOMEM);
- qp_grp = usnic_ib_qp_grp_create(us_ibdev->ufdev, vf, pd, res_spec,
- trans_spec);
- spin_unlock(&vf->lock);
+qp_grp_check:
if (IS_ERR_OR_NULL(qp_grp)) {
usnic_err("Failed to allocate qp_grp\n");
return ERR_PTR(qp_grp ? PTR_ERR(qp_grp) : -ENOMEM);
}
-
return qp_grp;
}