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Date: Mon, 6 Mar 2017 18:43:49 +0100
From: SF Markus Elfring <elfring@...rs.sourceforge.net>
To: linux-rdma@...r.kernel.org, Doug Ledford <dledford@...hat.com>,
Faisal Latif <faisal.latif@...el.com>,
Hal Rosenstock <hal.rosenstock@...il.com>,
Sean Hefty <sean.hefty@...el.com>
Cc: LKML <linux-kernel@...r.kernel.org>,
kernel-janitors@...r.kernel.org
Subject: [PATCH 4/5] IB/nes: Delete unnecessary braces
From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Mon, 6 Mar 2017 17:55:43 +0100
Do not use curly brackets at some source code places
where a single statement should be sufficient.
Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
drivers/infiniband/hw/nes/nes_verbs.c | 84 +++++++++++------------------------
1 file changed, 27 insertions(+), 57 deletions(-)
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index f79ea50e3ab5..7764ba423c1c 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -87,9 +87,8 @@ static struct ib_mw *nes_alloc_mw(struct ib_pd *ibpd, enum ib_mw_type type,
ret = nes_alloc_resource(nesadapter, nesadapter->allocated_mrs,
nesadapter->max_mr, &stag_index, &next_stag_index, NES_RESOURCE_MW);
- if (ret) {
+ if (ret)
return ERR_PTR(ret);
- }
nesmr = kzalloc(sizeof(*nesmr), GFP_KERNEL);
if (!nesmr) {
@@ -137,11 +136,7 @@ static struct ib_mw *nes_alloc_mw(struct ib_pd *ibpd, enum ib_mw_type type,
nes_put_cqp_request(nesdev, cqp_request);
kfree(nesmr);
nes_free_resource(nesadapter, nesadapter->allocated_mrs, stag_index);
- if (!ret) {
- return ERR_PTR(-ETIME);
- } else {
- return ERR_PTR(-ENOMEM);
- }
+ return ERR_PTR(ret ? -ENOMEM : -ETIME);
}
nes_put_cqp_request(nesdev, cqp_request);
@@ -680,9 +675,8 @@ static struct ib_pd *nes_alloc_pd(struct ib_device *ibdev,
err = nes_alloc_resource(nesadapter, nesadapter->allocated_pds,
nesadapter->max_pd, &pd_num, &nesadapter->next_pd, NES_RESOURCE_PD);
- if (err) {
+ if (err)
return ERR_PTR(err);
- }
nespd = kzalloc(sizeof (struct nes_pd), GFP_KERNEL);
if (!nespd) {
@@ -743,9 +737,8 @@ static int nes_dealloc_pd(struct ib_pd *ibpd)
nespd->mmap_db_index);
clear_bit(nespd->mmap_db_index, nesucontext->allocated_doorbells);
nesucontext->mmap_db_index[nespd->mmap_db_index] = 0;
- if (nesucontext->first_free_db > nespd->mmap_db_index) {
+ if (nesucontext->first_free_db > nespd->mmap_db_index)
nesucontext->first_free_db = nespd->mmap_db_index;
- }
}
nes_debug(NES_DBG_PD, "Deallocating PD%u structure located @%p.\n",
@@ -1034,11 +1027,11 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
atomic_inc(&qps_created);
switch (init_attr->qp_type) {
case IB_QPT_RC:
- if (nes_drv_opt & NES_DRV_OPT_NO_INLINE_DATA) {
+ if (nes_drv_opt & NES_DRV_OPT_NO_INLINE_DATA)
init_attr->cap.max_inline_data = 0;
- } else {
+ else
init_attr->cap.max_inline_data = 64;
- }
+
sq_size = init_attr->cap.max_send_wr;
rq_size = init_attr->cap.max_recv_wr;
@@ -1058,9 +1051,8 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
ret = nes_alloc_resource(nesadapter, nesadapter->allocated_qps,
nesadapter->max_qp, &qp_num, &nesadapter->next_qp, NES_RESOURCE_QP);
- if (ret) {
+ if (ret)
return ERR_PTR(ret);
- }
/* Need 512 (actually now 1024) byte alignment on this structure */
mem = kzalloc(sizeof(*nesqp)+NES_SW_CONTEXT_ALIGN-1, GFP_KERNEL);
@@ -1084,9 +1076,8 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
nes_debug(NES_DBG_QP, "ib_copy_from_udata() Failed \n");
return ERR_PTR(-EFAULT);
}
- if (req.user_wqe_buffers) {
+ if (req.user_wqe_buffers)
virt_wqs = 1;
- }
if (req.user_qp_buffer)
nesqp->nesuqp_addr = req.user_qp_buffer;
if ((ibpd->uobject) && (ibpd->uobject->context)) {
@@ -1271,11 +1262,7 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
nes_free_resource(nesadapter, nesadapter->allocated_qps, qp_num);
nes_free_qp_mem(nesdev, nesqp,virt_wqs);
kfree(nesqp->allocated_buffer);
- if (!ret) {
- return ERR_PTR(-ETIME);
- } else {
- return ERR_PTR(-EIO);
- }
+ return ERR_PTR(ret ? -EIO : -ETIME);
}
nes_put_cqp_request(nesdev, cqp_request);
@@ -1401,9 +1388,8 @@ static int nes_destroy_qp(struct ib_qp *ibqp)
nes_ucontext = to_nesucontext(ibqp->uobject->context);
clear_bit(nesqp->mmap_sq_db_index, nes_ucontext->allocated_wqs);
nes_ucontext->mmap_nesqp[nesqp->mmap_sq_db_index] = NULL;
- if (nes_ucontext->first_free_wq > nesqp->mmap_sq_db_index) {
+ if (nes_ucontext->first_free_wq > nesqp->mmap_sq_db_index)
nes_ucontext->first_free_wq = nesqp->mmap_sq_db_index;
- }
}
if (nesqp->pbl_pbase && nesqp->sq_kmapped) {
nesqp->sq_kmapped = 0;
@@ -1458,9 +1444,8 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev,
err = nes_alloc_resource(nesadapter, nesadapter->allocated_cqs,
nesadapter->max_cq, &cq_num, &nesadapter->next_cq, NES_RESOURCE_CQ);
- if (err) {
+ if (err)
return ERR_PTR(err);
- }
nescq = kzalloc(sizeof(struct nes_cq), GFP_KERNEL);
if (!nescq) {
@@ -2031,9 +2016,8 @@ struct ib_mr *nes_reg_phys_mr(struct ib_pd *ib_pd, u64 addr, u64 size,
err = nes_alloc_resource(nesadapter, nesadapter->allocated_mrs, nesadapter->max_mr,
&stag_index, &next_stag_index, NES_RESOURCE_PHYS_MR);
- if (err) {
+ if (err)
return ERR_PTR(err);
- }
nesmr = kzalloc(sizeof(*nesmr), GFP_KERNEL);
if (!nesmr) {
@@ -2079,11 +2063,7 @@ struct ib_mr *nes_reg_phys_mr(struct ib_pd *ib_pd, u64 addr, u64 size,
/* Make the leaf PBL the root if only one PBL */
root_vpbl.pbl_pbase = vpbl.pbl_pbase;
- if (single_page) {
- pbl_count = 0;
- } else {
- pbl_count = 1;
- }
+ pbl_count = single_page ? 0 : 1;
ret = nes_reg_mr(nesdev, nespd, stag, region_length, &root_vpbl,
addr, pbl_count, 1, acc, iova_start,
&nesmr->pbls_used, &nesmr->pbl_4k);
@@ -2159,9 +2139,8 @@ static struct ib_mr *nes_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
int first_page = 1;
region = ib_umem_get(pd->uobject->context, start, length, acc, 0);
- if (IS_ERR(region)) {
+ if (IS_ERR(region))
return (struct ib_mr *)region;
- }
nes_debug(NES_DBG_MR, "User base = 0x%lX, Virt base = 0x%lX, length = %u,"
" offset = %u, page size = %u.\n",
@@ -2337,9 +2316,8 @@ static struct ib_mr *nes_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
iova_start = virt;
/* Make the leaf PBL the root if only one PBL */
- if (root_pbl_index == 1) {
+ if (root_pbl_index == 1)
root_vpbl.pbl_pbase = vpbl.pbl_pbase;
- }
if (single_page) {
pbl_count = 0;
@@ -2411,11 +2389,10 @@ static struct ib_mr *nes_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
pbl_depth = region->length >> 12;
pbl_depth += (region->length & (4096-1)) ? 1 : 0;
nespbl->pbl_size = pbl_depth*sizeof(u64);
- if (req.reg_type == IWNES_MEMREG_TYPE_QP) {
+ if (req.reg_type == IWNES_MEMREG_TYPE_QP)
nes_debug(NES_DBG_MR, "Attempting to allocate QP PBL memory");
- } else {
+ else
nes_debug(NES_DBG_MR, "Attempting to allocate CP PBL memory");
- }
nes_debug(NES_DBG_MR, " %u bytes, %u entries.\n",
nespbl->pbl_size, pbl_depth);
@@ -2458,11 +2435,11 @@ static struct ib_mr *nes_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
}
}
- if (req.reg_type == IWNES_MEMREG_TYPE_QP) {
+ if (req.reg_type == IWNES_MEMREG_TYPE_QP)
list_add_tail(&nespbl->list, &nes_ucontext->qp_reg_mem_list);
- } else {
+ else
list_add_tail(&nespbl->list, &nes_ucontext->cq_reg_mem_list);
- }
+
nesmr->ibmr.rkey = -1;
nesmr->ibmr.lkey = -1;
nesmr->mode = req.reg_type;
@@ -2497,9 +2474,9 @@ static int nes_dereg_mr(struct ib_mr *ib_mr)
nesmr->pages,
nesmr->paddr);
- if (nesmr->region) {
+ if (nesmr->region)
ib_umem_release(nesmr->region);
- }
+
if (nesmr->mode != IWNES_MEMREG_TYPE_MEM) {
kfree(nesmr);
return 0;
@@ -2676,11 +2653,7 @@ int nes_hw_modify_qp(struct nes_device *nesdev, struct nes_qp *nesqp,
nes_debug(NES_DBG_MOD_QP, "Failed to get a cqp_request.\n");
return -ENOMEM;
}
- if (wait_completion) {
- cqp_request->waiting = 1;
- } else {
- cqp_request->waiting = 0;
- }
+ cqp_request->waiting = wait_completion ? 1 : 0;
cqp_wqe = &cqp_request->cqp_wqe;
set_wqe_32bit_value(cqp_wqe->wqe_words, NES_CQP_WQE_OPCODE_IDX,
@@ -3864,9 +3837,8 @@ int nes_register_ofa_device(struct nes_ib_device *nesibdev)
int i, ret;
ret = ib_register_device(&nesvnic->nesibdev->ibdev, NULL);
- if (ret) {
+ if (ret)
return ret;
- }
/* Get the resources allocated to this device */
nesibdev->max_cq = (nesadapter->max_cq-NES_FIRST_QPN) / nesadapter->port_count;
@@ -3901,13 +3873,11 @@ static void nes_unregister_ofa_device(struct nes_ib_device *nesibdev)
struct nes_vnic *nesvnic = nesibdev->nesvnic;
int i;
- for (i = 0; i < ARRAY_SIZE(nes_dev_attributes); ++i) {
+ for (i = 0; i < ARRAY_SIZE(nes_dev_attributes); ++i)
device_remove_file(&nesibdev->ibdev.dev, nes_dev_attributes[i]);
- }
- if (nesvnic->of_device_registered) {
+ if (nesvnic->of_device_registered)
ib_unregister_device(&nesibdev->ibdev);
- }
nesvnic->of_device_registered = 0;
}
--
2.12.0
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