From: Lijo Lazar Date: Tue, 15 Oct 2024 04:23:51 +0000 (+0530) Subject: drm/amdgpu: Zero-initialize mqd backup memory X-Git-Tag: v6.13-rc1~122^2~15^2~51 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=8e3a3e847e91d85524fba57548b954ac6091f642;p=thirdparty%2Fkernel%2Flinux.git drm/amdgpu: Zero-initialize mqd backup memory Zero-initialize mqd backup memory, otherwise the check for 'already-backed-up' could go wrong. Signed-off-by: Lijo Lazar Reviewed-by: Yang Wang Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c index b6acbe923b6b0..e96984c53e72c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c @@ -405,7 +405,7 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev, } /* prepare MQD backup */ - kiq->mqd_backup = kmalloc(mqd_size, GFP_KERNEL); + kiq->mqd_backup = kzalloc(mqd_size, GFP_KERNEL); if (!kiq->mqd_backup) { dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name); @@ -428,7 +428,7 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev, ring->mqd_size = mqd_size; /* prepare MQD backup */ - adev->gfx.me.mqd_backup[i] = kmalloc(mqd_size, GFP_KERNEL); + adev->gfx.me.mqd_backup[i] = kzalloc(mqd_size, GFP_KERNEL); if (!adev->gfx.me.mqd_backup[i]) { dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name); return -ENOMEM; @@ -452,7 +452,7 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev, ring->mqd_size = mqd_size; /* prepare MQD backup */ - adev->gfx.mec.mqd_backup[j] = kmalloc(mqd_size, GFP_KERNEL); + adev->gfx.mec.mqd_backup[j] = kzalloc(mqd_size, GFP_KERNEL); if (!adev->gfx.mec.mqd_backup[j]) { dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name); return -ENOMEM;