From: Lijun Ou <oulijun@huawei.com>
To: <dledford@redhat.com>, <jgg@ziepe.ca>
Cc: <leon@kernel.org>, <linux-rdma@vger.kernel.org>, <linuxarm@huawei.com>
Subject: [PATCH V4 for-next 07/14] RDMA/hns: Handling the error return value of hem function
Date: Thu, 8 Aug 2019 22:53:47 +0800 [thread overview]
Message-ID: <1565276034-97329-8-git-send-email-oulijun@huawei.com> (raw)
In-Reply-To: <1565276034-97329-1-git-send-email-oulijun@huawei.com>
From: Lang Cheng <chenglang@huawei.com>
Handling the error return value of hns_roce_calc_hem_mhop.
Signed-off-by: Lang Cheng <chenglang@huawei.com>
---
drivers/infiniband/hw/hns/hns_roce_hem.c | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.c b/drivers/infiniband/hw/hns/hns_roce_hem.c
index d3e72a0..0268c7a 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hem.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hem.c
@@ -830,7 +830,8 @@ void *hns_roce_table_find(struct hns_roce_dev *hr_dev,
} else {
u32 seg_size = 64; /* 8 bytes per BA and 8 BA per segment */
- hns_roce_calc_hem_mhop(hr_dev, table, &mhop_obj, &mhop);
+ if (hns_roce_calc_hem_mhop(hr_dev, table, &mhop_obj, &mhop))
+ goto out;
/* mtt mhop */
i = mhop.l0_idx;
j = mhop.l1_idx;
@@ -879,11 +880,13 @@ int hns_roce_table_get_range(struct hns_roce_dev *hr_dev,
{
struct hns_roce_hem_mhop mhop;
unsigned long inc = table->table_chunk_size / table->obj_size;
- unsigned long i;
+ unsigned long i = 0;
int ret;
if (hns_roce_check_whether_mhop(hr_dev, table->type)) {
- hns_roce_calc_hem_mhop(hr_dev, table, NULL, &mhop);
+ ret = hns_roce_calc_hem_mhop(hr_dev, table, NULL, &mhop);
+ if (ret)
+ goto fail;
inc = mhop.bt_chunk_size / table->obj_size;
}
@@ -913,7 +916,8 @@ void hns_roce_table_put_range(struct hns_roce_dev *hr_dev,
unsigned long i;
if (hns_roce_check_whether_mhop(hr_dev, table->type)) {
- hns_roce_calc_hem_mhop(hr_dev, table, NULL, &mhop);
+ if (hns_roce_calc_hem_mhop(hr_dev, table, NULL, &mhop))
+ return;
inc = mhop.bt_chunk_size / table->obj_size;
}
@@ -1035,7 +1039,8 @@ static void hns_roce_cleanup_mhop_hem_table(struct hns_roce_dev *hr_dev,
int i;
u64 obj;
- hns_roce_calc_hem_mhop(hr_dev, table, NULL, &mhop);
+ if (hns_roce_calc_hem_mhop(hr_dev, table, NULL, &mhop))
+ return;
buf_chunk_size = table->type < HEM_TYPE_MTT ? mhop.buf_chunk_size :
mhop.bt_chunk_size;
--
1.9.1
next prev parent reply other threads:[~2019-08-08 14:58 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-08 14:53 [PATCH V4 for-next 00/14] Updates for 5.3-rc2 Lijun Ou
2019-08-08 14:53 ` [PATCH V4 for-next 01/14] RDMA/hns: Encapsulate some lines for setting sq size in user mode Lijun Ou
2019-08-08 14:53 ` [PATCH V4 for-next 02/14] RDMA/hns: Optimize hns_roce_modify_qp function Lijun Ou
2019-08-08 14:53 ` [PATCH V4 for-next 03/14] RDMA/hns: Update the prompt message for creating and destroy qp Lijun Ou
2019-08-12 14:47 ` Doug Ledford
2019-08-08 14:53 ` [PATCH V4 for-next 04/14] RDMA/hns: Remove unnessary init for cmq reg Lijun Ou
2019-08-08 14:53 ` [PATCH V4 for-next 05/14] RDMA/hns: Clean up unnecessary initial assignment Lijun Ou
2019-08-08 14:53 ` [PATCH V4 for-next 06/14] RDMA/hns: Update some comments style Lijun Ou
2019-08-08 14:53 ` Lijun Ou [this message]
2019-08-08 14:53 ` [PATCH V4 for-next 08/14] RDMA/hns: Split bool statement and assign statement Lijun Ou
2019-08-08 14:53 ` [PATCH V4 for-next 09/14] RDMA/hns: Refactor irq request code Lijun Ou
2019-08-08 14:53 ` [PATCH V4 for-next 10/14] RDMA/hns: Remove unnecessary kzalloc Lijun Ou
2019-08-08 14:53 ` [PATCH V4 for-next 11/14] RDMA/hns: Refactor hns_roce_v2_set_hem for hip08 Lijun Ou
2019-08-08 14:53 ` [PATCH V4 for-next 12/14] RDMA/hns: Remove redundant print in hns_roce_v2_ceq_int() Lijun Ou
2019-08-08 14:53 ` [PATCH V4 for-next 13/14] RDMA/hns: Disable alw_lcl_lpbk of SSU Lijun Ou
2019-08-08 14:53 ` [PATCH V4 for-next 14/14] RDMA/hns: Use the new APIs for printing log Lijun Ou
2019-08-12 14:48 ` Doug Ledford
2019-08-13 9:13 ` oulijun
2019-08-13 9:31 ` oulijun
2019-08-13 13:33 ` Doug Ledford
2019-08-12 14:48 ` [PATCH V4 for-next 00/14] Updates for 5.3-rc2 Doug Ledford
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