This is a note to let you know that I've just added the patch titled RDMA/hns: Fix inappropriate err code for unsupported operations to the 6.6-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: rdma-hns-fix-inappropriate-err-code-for-unsupported-.patch and it can be found in the queue-6.6 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 606819b768c2e94d1ab82da696010ce03b3dbc68 Author: Junxian Huang <huangjunxian6@xxxxxxxxxxxxx> Date: Tue Nov 14 20:34:47 2023 +0800 RDMA/hns: Fix inappropriate err code for unsupported operations [ 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> diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 486d635b6e3a..84c18996517c 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -5634,7 +5634,7 @@ 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 783e71852c50..bd1fe89ca205 100644 --- a/drivers/infiniband/hw/hns/hns_roce_pd.c +++ b/drivers/infiniband/hw/hns/hns_roce_pd.c @@ -150,7 +150,7 @@ 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)