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RDMA/hns: Handling the error return value of hem function 

Handling the error return value of hns_roce_calc_hem_mhop.

Signed-off-by: Lang Cheng <chenglang@huawei.com>
Link: https://lore.kernel.org/r/1565276034-97329-8-git-send-email-oulijun@huawei.com
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Lang Cheng 2019-08-08 22:53:47 +08:00 committed by Doug Ledford
parent 6def7de6d4
commit 0e20ebf8d4
1 changed files with 10 additions and 5 deletions
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15
drivers/infiniband/hw/hns/hns_roce_hem.c
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@ -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;