From 37c3fc66201376c2cb066bde13b67bb7c181ec2c Mon Sep 17 00:00:00 2001 From: Srinivasan Shanmugam Date: Fri, 21 Jul 2023 14:42:10 +0530 Subject: [PATCH] drm/amdgpu: Return -ENOMEM when there is no memory in 'amdgpu_gfx_mqd_sw_init' MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Return -ENOMEM, when there is no sufficient dynamically allocated memory to create MQD backup for ring Cc: Christian König Cc: Alex Deucher Signed-off-by: Srinivasan Shanmugam Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c index a33d4bc..6639fde 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c @@ -407,8 +407,11 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev, /* prepare MQD backup */ kiq->mqd_backup = kmalloc(mqd_size, GFP_KERNEL); - if (!kiq->mqd_backup) - dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name); + if (!kiq->mqd_backup) { + dev_warn(adev->dev, + "no memory to create MQD backup for ring %s\n", ring->name); + return -ENOMEM; + } } if (adev->asic_type >= CHIP_NAVI10 && amdgpu_async_gfx_ring) { @@ -427,8 +430,10 @@ 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); - if (!adev->gfx.me.mqd_backup[i]) + 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; + } } } } -- 2.7.4