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SubjectRe: [PATCH] iommu/amd: Convert from atomic_t to refcount_t on device_state->count
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On 7/19/2021 1:00 AM, 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(-)

Thanks,

Reviewed-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>

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