From: Bart Van Assche <bart.vanassche@wdc.com>
Date: Wed, 18 Jul 2018 09:25:21 -0700
Subject: IB/srp: Simplify ib_post_(send|recv|srq_recv)() calls
Patch-mainline: v4.19-rc1
Git-commit: 71347b0c645c47c2d5970060768b9ecc97029342
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/srp/ib_srp.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -1207,7 +1207,6 @@ static void srp_inv_rkey_err_done(struct
static int srp_inv_rkey(struct srp_request *req, struct srp_rdma_ch *ch,
u32 rkey)
{
- struct ib_send_wr *bad_wr;
struct ib_send_wr wr = {
.opcode = IB_WR_LOCAL_INV,
.next = NULL,
@@ -1218,7 +1217,7 @@ static int srp_inv_rkey(struct srp_reque
wr.wr_cqe = &req->reg_cqe;
req->reg_cqe.done = srp_inv_rkey_err_done;
- return ib_post_send(ch->qp, &wr, &bad_wr);
+ return ib_post_send(ch->qp, &wr, NULL);
}
static void srp_unmap_data(struct scsi_cmnd *scmnd,
@@ -1499,7 +1498,6 @@ static int srp_map_finish_fr(struct srp_
{
struct srp_target_port *target = ch->target;
struct srp_device *dev = target->srp_host->srp_dev;
- struct ib_send_wr *bad_wr;
struct ib_reg_wr wr;
struct srp_fr_desc *desc;
u32 rkey;
@@ -1563,7 +1561,7 @@ static int srp_map_finish_fr(struct srp_
srp_map_desc(state, desc->mr->iova,
desc->mr->length, desc->mr->rkey);
- err = ib_post_send(ch->qp, &wr.wr, &bad_wr);
+ err = ib_post_send(ch->qp, &wr.wr, NULL);
if (unlikely(err)) {
WARN_ON_ONCE(err == -ENOMEM);
return err;
@@ -2014,7 +2012,7 @@ static int srp_post_send(struct srp_rdma
{
struct srp_target_port *target = ch->target;
struct ib_sge list;
- struct ib_send_wr wr, *bad_wr;
+ struct ib_send_wr wr;
list.addr = iu->dma;
list.length = len;
@@ -2029,13 +2027,13 @@ static int srp_post_send(struct srp_rdma
wr.opcode = IB_WR_SEND;
wr.send_flags = IB_SEND_SIGNALED;
- return ib_post_send(ch->qp, &wr, &bad_wr);
+ return ib_post_send(ch->qp, &wr, NULL);
}
static int srp_post_recv(struct srp_rdma_ch *ch, struct srp_iu *iu)
{
struct srp_target_port *target = ch->target;
- struct ib_recv_wr wr, *bad_wr;
+ struct ib_recv_wr wr;
struct ib_sge list;
list.addr = iu->dma;
@@ -2049,7 +2047,7 @@ static int srp_post_recv(struct srp_rdma
wr.sg_list = &list;
wr.num_sge = 1;
- return ib_post_recv(ch->qp, &wr, &bad_wr);
+ return ib_post_recv(ch->qp, &wr, NULL);
}
static void srp_process_rsp(struct srp_rdma_ch *ch, struct srp_rsp *rsp)