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RDMA/cxgb4: Use refcount_t instead of atomic_t for reference counting
authorWeihang Li <liweihang@huawei.com>
Fri, 28 May 2021 09:37:42 +0000 (17:37 +0800)
committerJason Gunthorpe <jgg@nvidia.com>
Tue, 8 Jun 2021 17:59:05 +0000 (14:59 -0300)
commit7183451f846d22e9fee665756824c9c2cc9cf377
treeebdabf1e7e40feea0d8f5fafb61efc5b629e5fbdtree | snapshot
parent8f9513d89f0417d3ca0a99b5f63c84b4cf2ed5facommit | diff
RDMA/cxgb4: Use refcount_t instead of atomic_t for 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/1622194663-2383-12-git-send-email-liweihang@huawei.com
Cc: Potnuri Bharat Teja <bharat@chelsio.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
drivers/infiniband/hw/cxgb4/cq.c diff | blob | history
drivers/infiniband/hw/cxgb4/ev.c diff | blob | history
drivers/infiniband/hw/cxgb4/iw_cxgb4.h diff | blob | history
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