[PATCH 5.8 592/633] drm/msm/a6xx: fix a potential overflow issue

From: Greg Kroah-Hartman
Date: Tue Oct 27 2020 - 11:19:40 EST


From: Zhenzhong Duan <zhenzhong.duan@xxxxxxxxx>

[ Upstream commit 08d3ab4b46339bc6f97e83b54a3fb4f8bf8f4cd9 ]

It's allocating an array of a6xx_gpu_state_obj structure rathor than
its pointers.

This patch fix it.

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@xxxxxxxxx>
Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
index d6023ba8033c0..3bb567812b990 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
@@ -864,7 +864,7 @@ static void a6xx_get_indexed_registers(struct msm_gpu *gpu,
int i;

a6xx_state->indexed_regs = state_kcalloc(a6xx_state, count,
- sizeof(a6xx_state->indexed_regs));
+ sizeof(*a6xx_state->indexed_regs));
if (!a6xx_state->indexed_regs)
return;

--
2.25.1