thanks, applied, and I added the following cleanup on top too. The old mess wasn't your fault of course but I think this makes things a bit safer, assuming I didn't mess it up:
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 <[email protected]> --- drivers/infiniband/ulp/srp/ib_srp.c | 31 ++++++++++++++++++------------- 1 files changed, 18 insertions(+), 13 deletions(-) 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 @@ 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; } -- 1.7.0 -- Roland Dreier <[email protected]> For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/index.html -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
