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drm/msm/a6xx: Check kzalloc return in a8xx_hfi_send_perf_table

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Check the return value of kzalloc() to prevent a NULL pointer
dereference on allocation failure.

Fixes: 06cfbca0e1 ("drm/msm/a6xx: Share dependency vote table with GMU")
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Akhil P Oommen <akhilpo@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/721342/
Message-ID: <20260428073558.1234238-1-nichen@iscas.ac.cn>
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
This commit is contained in:
Chen Ni 2026-04-28 15:35:58 +08:00 committed by Rob Clark
parent 55e0f0d1c1
commit b5c7a7f452
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/msm/adreno/a6xx_hfi.c
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@ -289,6 +289,8 @@ static int a8xx_hfi_send_perf_table(struct a6xx_gmu *gmu)
(gmu->nr_gpu_freqs * num_gx_votes * sizeof(gmu->gx_arc_votes[0])) +
(gmu->nr_gmu_freqs * num_cx_votes * sizeof(gmu->cx_arc_votes[0]));
tbl = kzalloc(size, GFP_KERNEL);
if (!tbl)
return -ENOMEM;
tbl->type = HFI_TABLE_GPU_PERF;
/* First fill GX votes */