[PATCH 5.15 179/374] RDMA/hns: Fix inappropriate err code for unsupported operations

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5.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Junxian Huang <huangjunxian6@xxxxxxxxxxxxx>

[ Upstream commit f45b83ad39f8033e717b1eee57e81811113d5a84 ]

EOPNOTSUPP is more situable than EINVAL for allocating XRCD while XRC
is not supported and unsupported resizing SRQ.

Fixes: 32548870d438 ("RDMA/hns: Add support for XRC on HIP09")
Fixes: 221109e64316 ("RDMA/hns: Add interception for resizing SRQs")
Signed-off-by: Junxian Huang <huangjunxian6@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20231114123449.1106162-2-huangjunxian6@xxxxxxxxxxxxx
Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 2 +-
 drivers/infiniband/hw/hns/hns_roce_pd.c    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 6d8f3aa9d6aa..7376f012ece1 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -5442,7 +5442,7 @@ static int hns_roce_v2_modify_srq(struct ib_srq *ibsrq,
 
 	/* Resizing SRQs is not supported yet */
 	if (srq_attr_mask & IB_SRQ_MAX_WR)
-		return -EINVAL;
+		return -EOPNOTSUPP;
 
 	if (srq_attr_mask & IB_SRQ_LIMIT) {
 		if (srq_attr->srq_limit > srq->wqe_cnt)
diff --git a/drivers/infiniband/hw/hns/hns_roce_pd.c b/drivers/infiniband/hw/hns/hns_roce_pd.c
index 81ffad77ae42..21bc26bd92d9 100644
--- a/drivers/infiniband/hw/hns/hns_roce_pd.c
+++ b/drivers/infiniband/hw/hns/hns_roce_pd.c
@@ -161,7 +161,7 @@ int hns_roce_alloc_xrcd(struct ib_xrcd *ib_xrcd, struct ib_udata *udata)
 	int ret;
 
 	if (!(hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_XRC))
-		return -EINVAL;
+		return -EOPNOTSUPP;
 
 	ret = hns_roce_xrcd_alloc(hr_dev, &xrcd->xrcdn);
 	if (ret)
-- 
2.43.0







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