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Date: Tue, 5 Apr 2022 09:23:04 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Rob Clark <robdclark@...omium.org>, Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 5.17 0637/1126] drm/msm/a6xx: Fix missing ARRAY_SIZE() check From: Rob Clark <robdclark@...omium.org> [ Upstream commit cca96584b35765bf9eb5f38ca55a144ea2ba0de4 ] Fixes: f6d62d091cfd ("drm/msm/a6xx: add support for Adreno 660 GPU") Signed-off-by: Rob Clark <robdclark@...omium.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org> Link: https://lore.kernel.org/r/20220305173405.914989-1-robdclark@gmail.com Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index 17cfad6424db..616be7265da4 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -655,19 +655,23 @@ static void a6xx_set_cp_protect(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); const u32 *regs = a6xx_protect; - unsigned i, count = ARRAY_SIZE(a6xx_protect), count_max = 32; - - BUILD_BUG_ON(ARRAY_SIZE(a6xx_protect) > 32); - BUILD_BUG_ON(ARRAY_SIZE(a650_protect) > 48); + unsigned i, count, count_max; if (adreno_is_a650(adreno_gpu)) { regs = a650_protect; count = ARRAY_SIZE(a650_protect); count_max = 48; + BUILD_BUG_ON(ARRAY_SIZE(a650_protect) > 48); } else if (adreno_is_a660_family(adreno_gpu)) { regs = a660_protect; count = ARRAY_SIZE(a660_protect); count_max = 48; + BUILD_BUG_ON(ARRAY_SIZE(a660_protect) > 48); + } else { + regs = a6xx_protect; + count = ARRAY_SIZE(a6xx_protect); + count_max = 32; + BUILD_BUG_ON(ARRAY_SIZE(a6xx_protect) > 32); } /* -- 2.34.1
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