[PATCH 5.17 0637/1126] drm/msm/a6xx: Fix missing ARRAY_SIZE() check
From: Greg Kroah-Hartman
Date: Tue Apr 05 2022 - 05:52:43 EST
From: Rob Clark <robdclark@xxxxxxxxxxxx>
[ Upstream commit cca96584b35765bf9eb5f38ca55a144ea2ba0de4 ]
Fixes: f6d62d091cfd ("drm/msm/a6xx: add support for Adreno 660 GPU")
Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20220305173405.914989-1-robdclark@xxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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