[PATCH for-rc 4/9] RDMA/hns: Fix unmatch exception handling when init eq table fails

Junxian Huang
2024-07-05T09:04:55Z

The hw ctx should be destroyed when init eq table fails.

Fixes: a5073d6054f7 ("RDMA/hns: Add eq support of hip08")
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
---
drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 25 +++++++++++-----------
1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index f73de06a3ca5..6cdeafef800a 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -6373,9 +6373,16 @@ static void hns_roce_v2_int_mask_enable(struct hns_roce_dev *hr_dev,
roce_write(hr_dev, ROCEE_VF_ABN_INT_CFG_REG, enable_flag);
}

-static void hns_roce_v2_destroy_eqc(struct hns_roce_dev *hr_dev, u32 eqn)
+static void free_eq_buf(struct hns_roce_dev *hr_dev, struct hns_roce_eq *eq)
+{
+ hns_roce_mtr_destroy(hr_dev, &eq->mtr);
+}
+
+static void hns_roce_v2_destroy_eqc(struct hns_roce_dev *hr_dev,
+ struct hns_roce_eq *eq)
{
struct device *dev = hr_dev->dev;
+ int eqn = eq->eqn;
int ret;
u8 cmd;

@@ -6386,12 +6393,9 @@ static void hns_roce_v2_destroy_eqc(struct hns_roce_dev *hr_dev, u32 eqn)

ret = hns_roce_destroy_hw_ctx(hr_dev, cmd, eqn & HNS_ROCE_V2_EQN_M);
if (ret)
- dev_err(dev, "[mailbox cmd] destroy eqc(%u) failed.\n", eqn);
-}
+ dev_err(dev, "[mailbox cmd] destroy eqc(%d) failed.\n", eqn);

-static void free_eq_buf(struct hns_roce_dev *hr_dev, struct hns_roce_eq *eq)
-{
- hns_roce_mtr_destroy(hr_dev, &eq->mtr);
+ free_eq_buf(hr_dev, eq);
}

static void init_eq_config(struct hns_roce_dev *hr_dev, struct hns_roce_eq *eq)
@@ -6738,7 +6742,7 @@ static int hns_roce_v2_init_eq_table(struct hns_roce_dev *hr_dev)

err_create_eq_fail:
for (i -= 1; i >= 0; i--)
- free_eq_buf(hr_dev, &eq_table->eq[i]);
+ hns_roce_v2_destroy_eqc(hr_dev, &eq_table->eq[i]);
kfree(eq_table->eq);

return ret;
@@ -6758,11 +6762,8 @@ static void hns_roce_v2_cleanup_eq_table(struct hns_roce_dev *hr_dev)
__hns_roce_free_irq(hr_dev);
destroy_workqueue(hr_dev->irq_workq);

- for (i = 0; i < eq_num; i++) {
- hns_roce_v2_destroy_eqc(hr_dev, i);
-
- free_eq_buf(hr_dev, &eq_table->eq[i]);
- }
+ for (i = 0; i < eq_num; i++)
+ hns_roce_v2_destroy_eqc(hr_dev, &eq_table->eq[i]);

kfree(eq_table->eq);
}
--
2.33.0