diff options
Diffstat (limited to 'drivers/infiniband/core/cq.c')
-rw-r--r-- | drivers/infiniband/core/cq.c | 47 |
1 files changed, 21 insertions, 26 deletions
diff --git a/drivers/infiniband/core/cq.c b/drivers/infiniband/core/cq.c index a4c81992267c..00d70f166209 100644 --- a/drivers/infiniband/core/cq.c +++ b/drivers/infiniband/core/cq.c @@ -1,14 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2015 HGST, a Western Digital Company. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. */ #include <linux/module.h> #include <linux/err.h> @@ -121,7 +113,7 @@ static void ib_cq_completion_workqueue(struct ib_cq *cq, void *private) } /** - * __ib_alloc_cq - allocate a completion queue + * __ib_alloc_cq_user - allocate a completion queue * @dev: device to allocate the CQ for * @private: driver private data, accessible from cq->cq_context * @nr_cqe: number of CQEs to allocate @@ -147,23 +139,26 @@ struct ib_cq *__ib_alloc_cq_user(struct ib_device *dev, void *private, struct ib_cq *cq; int ret = -ENOMEM; - cq = dev->ops.create_cq(dev, &cq_attr, NULL); - if (IS_ERR(cq)) - return cq; + cq = rdma_zalloc_drv_obj(dev, ib_cq); + if (!cq) + return ERR_PTR(ret); cq->device = dev; - cq->uobject = NULL; - cq->event_handler = NULL; cq->cq_context = private; cq->poll_ctx = poll_ctx; atomic_set(&cq->usecnt, 0); cq->wc = kmalloc_array(IB_POLL_BATCH, sizeof(*cq->wc), GFP_KERNEL); if (!cq->wc) - goto out_destroy_cq; + goto out_free_cq; cq->res.type = RDMA_RESTRACK_CQ; rdma_restrack_set_task(&cq->res, caller); + + ret = dev->ops.create_cq(cq, &cq_attr, NULL); + if (ret) + goto out_free_wc; + rdma_restrack_kadd(&cq->res); switch (cq->poll_ctx) { @@ -186,29 +181,29 @@ struct ib_cq *__ib_alloc_cq_user(struct ib_device *dev, void *private, break; default: ret = -EINVAL; - goto out_free_wc; + goto out_destroy_cq; } return cq; -out_free_wc: - kfree(cq->wc); - rdma_restrack_del(&cq->res); out_destroy_cq: + rdma_restrack_del(&cq->res); cq->device->ops.destroy_cq(cq, udata); +out_free_wc: + kfree(cq->wc); +out_free_cq: + kfree(cq); return ERR_PTR(ret); } EXPORT_SYMBOL(__ib_alloc_cq_user); /** - * ib_free_cq - free a completion queue + * ib_free_cq_user - free a completion queue * @cq: completion queue to free. * @udata: User data or NULL for kernel object */ void ib_free_cq_user(struct ib_cq *cq, struct ib_udata *udata) { - int ret; - if (WARN_ON_ONCE(atomic_read(&cq->usecnt))) return; @@ -226,9 +221,9 @@ void ib_free_cq_user(struct ib_cq *cq, struct ib_udata *udata) WARN_ON_ONCE(1); } - kfree(cq->wc); rdma_restrack_del(&cq->res); - ret = cq->device->ops.destroy_cq(cq, udata); - WARN_ON_ONCE(ret); + cq->device->ops.destroy_cq(cq, udata); + kfree(cq->wc); + kfree(cq); } EXPORT_SYMBOL(ib_free_cq_user); |