Messages in this thread | | | Date | Mon, 19 Jul 2021 10:07:54 +0100 | From | Will Deacon <> | Subject | Re: [PATCH] iommu/amd: Convert from atomic_t to refcount_t on device_state->count |
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On Mon, Jul 19, 2021 at 02:00:37PM +0800, Xiyu Yang wrote: > refcount_t type and corresponding API can protect refcounters from > accidental underflow and overflow and further use-after-free situations. > > Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn> > Signed-off-by: Xin Tan <tanxin.ctf@gmail.com> > --- > drivers/iommu/amd/iommu_v2.c | 11 ++++++----- > 1 file changed, 6 insertions(+), 5 deletions(-)
Can pasid_state::count be converted similarly?
Will
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