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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>
This commit is contained in:
Roland Dreier 2010-02-24 15:07:59 -08:00
parent 9c03dc9f19
commit da9d2f0730
1 changed files with 18 additions and 13 deletions
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31
drivers/infiniband/ulp/srp/ib_srp.c
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@ -232,15 +232,14 @@ static int srp_create_target_ib(struct srp_target_port *target)
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 @@ static int srp_create_target_ib(struct srp_target_port *target)
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;
}