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RDMA/hns: Use refcount_t instead of atomic_t for SRQ reference counting
authorWeihang Li <liweihang@huawei.com>
Fri, 28 May 2021 09:37:40 +0000 (17:37 +0800)
committerJason Gunthorpe <jgg@nvidia.com>
Tue, 8 Jun 2021 17:58:30 +0000 (14:58 -0300)
commit33649cd3f9497523c7110337b9c6f08ab43746c6
tree8a04d5c6c25cb28dda7def0bf90a7cae8c8b87e2tree | snapshot
parentcc9e5a844ab8139085d28efdda9ae1d5625a5319commit | 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>
drivers/infiniband/hw/hns/hns_roce_device.h diff | blob | history
drivers/infiniband/hw/hns/hns_roce_srq.c diff | blob | history
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