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drm/virtio: Fixes a potential NULL pointer dereference on probe failure
authorXie Yongji <xieyongji@bytedance.com>
Mon, 17 May 2021 08:49:11 +0000 (16:49 +0800)
committerGerd Hoffmann <kraxel@redhat.com>
Tue, 18 May 2021 08:55:30 +0000 (10:55 +0200)
commit17f46f488a5d82c5568e6e786cd760bba1c2ee09
treec9feb1f7cfe1e7fd09085c1c15c0229130753d57
parent644adc3d0ff05f49fae9a7549e27dfd7e9a5afe5
drm/virtio: Fixes a potential NULL pointer dereference on probe failure

The dev->dev_private might not be allocated if virtio_gpu_pci_quirk()
or virtio_gpu_init() failed. In this case, we should avoid the cleanup
in virtio_gpu_release().

Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20210517084913.403-1-xieyongji@bytedance.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
drivers/gpu/drm/virtio/virtgpu_kms.c