drm/exynos: Convert from atomic_t to refcount_t on g2d_cmdlist_userptr->refcount

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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>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

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Xiyu Yang 2021-07-19 13:58:51 +08:00 • committed by Inki Dae

parent b74a29fac6

commit 8c27cc5b90

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1 changed files with 6 additions and 5 deletions

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drivers/gpu/drm/exynos/exynos_drm_g2d.c

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