Commit 5b1f9a56 authored by Juan Zhou's avatar Juan Zhou
Browse files

RDMA/hns: Fix missing parameter check in set_write_notify_param() 

driver inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I8NZ4Y



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Add parameter check in set_write_notify_param().

Fixes: 21cacb51 ("RDMA/hns: Support write with notify")
Signed-off-by: default avatarJuan Zhou <zhoujuan51@h-partners.com>
Signed-off-by: default avatarChengchang Tang <tangchengchang@huawei.com>
parent f6916e6d

drivers/infiniband/hw/hns/hns_roce_cq.c

+3 −0
Original line number Diff line number Diff line
@@ -392,6 +392,9 @@ static int set_write_notify_param(struct hns_roce_dev *hr_dev, 
			       notify_attr[attr].mem_type))

		return -EOPNOTSUPP;



	if (!hr_dev->notify_tbl || ucmd->notify_idx >= hr_dev->notify_num)

		return -EINVAL;



	hr_cq->flags |= HNS_ROCE_CQ_FLAG_NOTIFY_EN;

	hr_cq->write_notify.notify_addr =

		hr_dev->notify_tbl[ucmd->notify_idx].base_addr;