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drm/virtio: fix an error code in virtio_gpu_init()

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If devm_request_mem_region() fails this code currently returns success
but it should return -EBUSY.

Fixes: 6076a9711dc5 ("drm/virtio: implement blob resources: probe for host visible region")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: http://patchwork.freedesktop.org/patch/msgid/YBpy0GS7GfmafMfe@mwanda
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit eb988a2ee500d3297a1de048dc3c77b6c354e650)
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
This commit is contained in:
Dan Carpenter 2021-02-03 12:54:24 +03:00 committed by Maarten Lankhorst
parent e2e2e008f9
commit 8d0cb8860a
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/virtio/virtgpu_kms.c
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@ -163,6 +163,7 @@ int virtio_gpu_init(struct drm_device *dev)
vgdev->host_visible_region.len,
dev_name(&vgdev->vdev->dev))) {
DRM_ERROR("Could not reserve host visible region\n");
ret = -EBUSY;
goto err_vqs;
}