IB/srp: Clean up error path in srp_create_target_ib()
Instead of repeating the error unwinding steps in each place an error
can be detected, use the common idiom of gotos into an error flow.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 441ea7c..ed3f9eb 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -232,15 +232,14 @@
srp_recv_completion, NULL, target, SRP_RQ_SIZE, 0);
if (IS_ERR(target->recv_cq)) {
ret = PTR_ERR(target->recv_cq);
- goto out;
+ goto err;
}
target->send_cq = ib_create_cq(target->srp_host->srp_dev->dev,
srp_send_completion, NULL, target, SRP_SQ_SIZE, 0);
if (IS_ERR(target->send_cq)) {
ret = PTR_ERR(target->send_cq);
- ib_destroy_cq(target->recv_cq);
- goto out;
+ goto err_recv_cq;
}
ib_req_notify_cq(target->recv_cq, IB_CQ_NEXT_COMP);
@@ -258,20 +257,26 @@
target->qp = ib_create_qp(target->srp_host->srp_dev->pd, init_attr);
if (IS_ERR(target->qp)) {
ret = PTR_ERR(target->qp);
- ib_destroy_cq(target->send_cq);
- ib_destroy_cq(target->recv_cq);
- goto out;
+ goto err_send_cq;
}
ret = srp_init_qp(target, target->qp);
- if (ret) {
- ib_destroy_qp(target->qp);
- ib_destroy_cq(target->send_cq);
- ib_destroy_cq(target->recv_cq);
- goto out;
- }
+ if (ret)
+ goto err_qp;
-out:
+ kfree(init_attr);
+ return 0;
+
+err_qp:
+ ib_destroy_qp(target->qp);
+
+err_send_cq:
+ ib_destroy_cq(target->send_cq);
+
+err_recv_cq:
+ ib_destroy_cq(target->recv_cq);
+
+err:
kfree(init_attr);
return ret;
}