diff options
| author | Weihang Li <liweihang@huawei.com> | 2021-05-28 17:37:40 +0800 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2021-06-08 14:58:30 -0300 |
| commit | 33649cd3f9497523c7110337b9c6f08ab43746c6 (patch) | |
| tree | 8a04d5c6c25cb28dda7def0bf90a7cae8c8b87e2 /drivers/infiniband/hw/hns/hns_roce_device.h | |
| parent | cc9e5a844ab8139085d28efdda9ae1d5625a5319 (diff) | |
RDMA/hns: Use refcount_t instead of atomic_t for SRQ reference counting
The refcount_t API will WARN on underflow and overflow of a reference
counter, and avoid use-after-free risks.
Link: https://lore.kernel.org/r/1622194663-2383-10-git-send-email-liweihang@huawei.com
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_device.h')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_device.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h index cbb6901c0d7c..bd1902197551 100644 --- a/drivers/infiniband/hw/hns/hns_roce_device.h +++ b/drivers/infiniband/hw/hns/hns_roce_device.h @@ -471,7 +471,7 @@ struct hns_roce_srq { u32 xrcdn; void __iomem *db_reg; - atomic_t refcount; + refcount_t refcount; struct completion free; struct hns_roce_mtr buf_mtr; |