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authorBart Van Assche <bart.vanassche@wdc.com>2018-07-18 09:25:17 -0700
committerJason Gunthorpe <jgg@mellanox.com>2018-07-24 16:06:36 -0600
commit1fec77bf8fcd95cf7b2feb1e29763d6cd4448912 (patch)
tree2fa581fa63bf321b4938ecdb36cb9b39b7c5d937
parentbb039a870c0593a4deaa72c2693d02a87723305c (diff)
downloadlinux-1fec77bf8fcd95cf7b2feb1e29763d6cd4448912.tar.bz2
RDMA/core: Simplify ib_post_(send|recv|srq_recv)() calls
Instead of declaring and passing a dummy 'bad_wr' pointer, pass NULL as third argument to ib_post_(send|recv|srq_recv)(). Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
-rw-r--r--drivers/infiniband/core/mad.c14
-rw-r--r--drivers/infiniband/core/rw.c4
-rw-r--r--drivers/infiniband/core/verbs.c7
3 files changed, 10 insertions, 15 deletions
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 34e9b2768324..ef459f2f2eeb 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -1181,7 +1181,6 @@ int ib_send_mad(struct ib_mad_send_wr_private *mad_send_wr)
{
struct ib_mad_qp_info *qp_info;
struct list_head *list;
- struct ib_send_wr *bad_send_wr;
struct ib_mad_agent *mad_agent;
struct ib_sge *sge;
unsigned long flags;
@@ -1219,7 +1218,7 @@ int ib_send_mad(struct ib_mad_send_wr_private *mad_send_wr)
spin_lock_irqsave(&qp_info->send_queue.lock, flags);
if (qp_info->send_queue.count < qp_info->send_queue.max_active) {
ret = ib_post_send(mad_agent->qp, &mad_send_wr->send_wr.wr,
- &bad_send_wr);
+ NULL);
list = &qp_info->send_queue.list;
} else {
ret = 0;
@@ -2476,7 +2475,6 @@ static void ib_mad_send_done(struct ib_cq *cq, struct ib_wc *wc)
struct ib_mad_send_wr_private *mad_send_wr, *queued_send_wr;
struct ib_mad_qp_info *qp_info;
struct ib_mad_queue *send_queue;
- struct ib_send_wr *bad_send_wr;
struct ib_mad_send_wc mad_send_wc;
unsigned long flags;
int ret;
@@ -2526,7 +2524,7 @@ retry:
if (queued_send_wr) {
ret = ib_post_send(qp_info->qp, &queued_send_wr->send_wr.wr,
- &bad_send_wr);
+ NULL);
if (ret) {
dev_err(&port_priv->device->dev,
"ib_post_send failed: %d\n", ret);
@@ -2571,11 +2569,9 @@ static bool ib_mad_send_error(struct ib_mad_port_private *port_priv,
if (wc->status == IB_WC_WR_FLUSH_ERR) {
if (mad_send_wr->retry) {
/* Repost send */
- struct ib_send_wr *bad_send_wr;
-
mad_send_wr->retry = 0;
ret = ib_post_send(qp_info->qp, &mad_send_wr->send_wr.wr,
- &bad_send_wr);
+ NULL);
if (!ret)
return false;
}
@@ -2891,7 +2887,7 @@ static int ib_mad_post_receive_mads(struct ib_mad_qp_info *qp_info,
int post, ret;
struct ib_mad_private *mad_priv;
struct ib_sge sg_list;
- struct ib_recv_wr recv_wr, *bad_recv_wr;
+ struct ib_recv_wr recv_wr;
struct ib_mad_queue *recv_queue = &qp_info->recv_queue;
/* Initialize common scatter list fields */
@@ -2935,7 +2931,7 @@ static int ib_mad_post_receive_mads(struct ib_mad_qp_info *qp_info,
post = (++recv_queue->count < recv_queue->max_active);
list_add_tail(&mad_priv->header.mad_list.list, &recv_queue->list);
spin_unlock_irqrestore(&recv_queue->lock, flags);
- ret = ib_post_recv(qp_info->qp, &recv_wr, &bad_recv_wr);
+ ret = ib_post_recv(qp_info->qp, &recv_wr, NULL);
if (ret) {
spin_lock_irqsave(&recv_queue->lock, flags);
list_del(&mad_priv->header.mad_list.list);
diff --git a/drivers/infiniband/core/rw.c b/drivers/infiniband/core/rw.c
index 474d65297afc..683e6d11a564 100644
--- a/drivers/infiniband/core/rw.c
+++ b/drivers/infiniband/core/rw.c
@@ -564,10 +564,10 @@ EXPORT_SYMBOL(rdma_rw_ctx_wrs);
int rdma_rw_ctx_post(struct rdma_rw_ctx *ctx, struct ib_qp *qp, u8 port_num,
struct ib_cqe *cqe, struct ib_send_wr *chain_wr)
{
- struct ib_send_wr *first_wr, *bad_wr;
+ struct ib_send_wr *first_wr;
first_wr = rdma_rw_ctx_wrs(ctx, qp, port_num, cqe, chain_wr);
- return ib_post_send(qp, first_wr, &bad_wr);
+ return ib_post_send(qp, first_wr, NULL);
}
EXPORT_SYMBOL(rdma_rw_ctx_post);
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index b6ceb6fd6a67..cde359d48d34 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -2473,7 +2473,6 @@ static void __ib_drain_sq(struct ib_qp *qp)
struct ib_cq *cq = qp->send_cq;
struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR };
struct ib_drain_cqe sdrain;
- struct ib_send_wr *bad_swr;
struct ib_rdma_wr swr = {
.wr = {
.next = NULL,
@@ -2492,7 +2491,7 @@ static void __ib_drain_sq(struct ib_qp *qp)
sdrain.cqe.done = ib_drain_qp_done;
init_completion(&sdrain.done);
- ret = ib_post_send(qp, &swr.wr, &bad_swr);
+ ret = ib_post_send(qp, &swr.wr, NULL);
if (ret) {
WARN_ONCE(ret, "failed to drain send queue: %d\n", ret);
return;
@@ -2513,7 +2512,7 @@ static void __ib_drain_rq(struct ib_qp *qp)
struct ib_cq *cq = qp->recv_cq;
struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR };
struct ib_drain_cqe rdrain;
- struct ib_recv_wr rwr = {}, *bad_rwr;
+ struct ib_recv_wr rwr = {};
int ret;
ret = ib_modify_qp(qp, &attr, IB_QP_STATE);
@@ -2526,7 +2525,7 @@ static void __ib_drain_rq(struct ib_qp *qp)
rdrain.cqe.done = ib_drain_qp_done;
init_completion(&rdrain.done);
- ret = ib_post_recv(qp, &rwr, &bad_rwr);
+ ret = ib_post_recv(qp, &rwr, NULL);
if (ret) {
WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret);
return;