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RDMA/hns: Use refcount_t instead of atomic_t for QP reference counting
authorWeihang Li <liweihang@huawei.com>
Fri, 28 May 2021 09:37:41 +0000 (17:37 +0800)
committerJason Gunthorpe <jgg@nvidia.com>
Tue, 8 Jun 2021 17:58:51 +0000 (14:58 -0300)
commit8f9513d89f0417d3ca0a99b5f63c84b4cf2ed5fa
tree98dd4ec5b5709c4fc537ff127b02af7f7097a32etree | snapshot
parent33649cd3f9497523c7110337b9c6f08ab43746c6commit | diff
RDMA/hns: Use refcount_t instead of atomic_t for QP 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/1622194663-2383-11-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_qp.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git