From: Bart Van Assche <bart.vanassche@wdc.com>
Date: Wed, 18 Jul 2018 09:25:22 -0700
Subject: IB/srpt: Simplify ib_post_(send|recv|srq_recv)() calls
Patch-mainline: v4.19-rc1
Git-commit: 9b32a59687f5c4752eb64562edd62c20fa222187
References: bsc#1103992 FATE#326009
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>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/ulp/srpt/ib_srpt.c | 17 ++++++++---------
1 file changed, 8 insertions(+), 9 deletions(-)
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -816,7 +816,7 @@ static int srpt_post_recv(struct srpt_de
struct srpt_recv_ioctx *ioctx)
{
struct ib_sge list;
- struct ib_recv_wr wr, *bad_wr;
+ struct ib_recv_wr wr;
BUG_ON(!sdev);
list.addr = ioctx->ioctx.dma;
@@ -830,9 +830,9 @@ static int srpt_post_recv(struct srpt_de
wr.num_sge = 1;
if (sdev->use_srq)
- return ib_post_srq_recv(sdev->srq, &wr, &bad_wr);
+ return ib_post_srq_recv(sdev->srq, &wr, NULL);
else
- return ib_post_recv(ch->qp, &wr, &bad_wr);
+ return ib_post_recv(ch->qp, &wr, NULL);
}
/**
@@ -846,7 +846,6 @@ static int srpt_post_recv(struct srpt_de
*/
static int srpt_zerolength_write(struct srpt_rdma_ch *ch)
{
- struct ib_send_wr *bad_wr;
struct ib_rdma_wr wr = {
.wr = {
.next = NULL,
@@ -859,7 +858,7 @@ static int srpt_zerolength_write(struct
pr_debug("%s-%d: queued zerolength write\n", ch->sess_name,
ch->qp->qp_num);
- return ib_post_send(ch->qp, &wr.wr, &bad_wr);
+ return ib_post_send(ch->qp, &wr.wr, NULL);
}
static void srpt_zerolength_write_done(struct ib_cq *cq, struct ib_wc *wc)
@@ -2622,7 +2621,7 @@ static int srpt_write_pending(struct se_
struct srpt_send_ioctx *ioctx =
container_of(se_cmd, struct srpt_send_ioctx, cmd);
struct srpt_rdma_ch *ch = ioctx->ch;
- struct ib_send_wr *first_wr = NULL, *bad_wr;
+ struct ib_send_wr *first_wr = NULL;
struct ib_cqe *cqe = &ioctx->rdma_cqe;
enum srpt_command_state new_state;
int ret, i;
@@ -2646,7 +2645,7 @@ static int srpt_write_pending(struct se_
cqe = NULL;
}
- ret = ib_post_send(ch->qp, first_wr, &bad_wr);
+ ret = ib_post_send(ch->qp, first_wr, NULL);
if (ret) {
pr_err("%s: ib_post_send() returned %d for %d (avail: %d)\n",
__func__, ret, ioctx->n_rdma,
@@ -2684,7 +2683,7 @@ static void srpt_queue_response(struct s
container_of(cmd, struct srpt_send_ioctx, cmd);
struct srpt_rdma_ch *ch = ioctx->ch;
struct srpt_device *sdev = ch->sport->sdev;
- struct ib_send_wr send_wr, *first_wr = &send_wr, *bad_wr;
+ struct ib_send_wr send_wr, *first_wr = &send_wr;
struct ib_sge sge;
enum srpt_command_state state;
int resp_len, ret, i;
@@ -2757,7 +2756,7 @@ static void srpt_queue_response(struct s
send_wr.opcode = IB_WR_SEND;
send_wr.send_flags = IB_SEND_SIGNALED;
- ret = ib_post_send(ch->qp, first_wr, &bad_wr);
+ ret = ib_post_send(ch->qp, first_wr, NULL);
if (ret < 0) {
pr_err("%s: sending cmd response failed for tag %llu (%d)\n",
__func__, ioctx->cmd.tag, ret);