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RDMA/core: Use refcount_t instead of atomic_t on refcount of ib_uverbs_device
authorWeihang Li <liweihang@huawei.com>
Fri, 28 May 2021 09:37:38 +0000 (17:37 +0800)
committerJason Gunthorpe <jgg@nvidia.com>
Tue, 8 Jun 2021 18:04:36 +0000 (15:04 -0300)
commitec9bf373f2458f4b5f1ece8b93a07e6204081667
tree0deb7c0393d151262cfb2e41bd019889fd3de5a9tree | snapshot
parenta5e27fb68fcce3885cfc02a1ecd7d02fe3f02a34commit | diff
RDMA/core: Use refcount_t instead of atomic_t on refcount of ib_uverbs_device

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/1622194663-2383-8-git-send-email-liweihang@huawei.com
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
drivers/infiniband/core/uverbs.h diff | blob | history
drivers/infiniband/core/uverbs_main.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git