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drm/virtio: Return proper error codes instead of -1

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Don't return -1 in error cases, return proper error code. The returned
error codes propagate to error messages and to userspace and it's always
good to have a meaningful error number for debugging purposes.

Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20220630200726.1884320-10-dmitry.osipenko@collabora.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Dmitry Osipenko 2022-06-30 23:07:26 +03:00 committed by Gerd Hoffmann
parent a9d2e8b5f1
commit 4c703f5d6f
1 changed files with 3 additions and 3 deletions
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6
drivers/gpu/drm/virtio/virtgpu_vq.c
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@ -322,7 +322,7 @@ static int virtio_gpu_queue_ctrl_sgs(struct virtio_gpu_device *vgdev,
if (fence && vbuf->objs)
virtio_gpu_array_unlock_resv(vbuf->objs);
free_vbuf(vgdev, vbuf);
return -1;
return -ENODEV;
}
if (vgdev->has_indirect)
@ -386,7 +386,7 @@ static int virtio_gpu_queue_fenced_ctrl_buffer(struct virtio_gpu_device *vgdev,
if (!sgt) {
if (fence && vbuf->objs)
virtio_gpu_array_unlock_resv(vbuf->objs);
return -1;
return -ENOMEM;
}
elemcnt += sg_ents;
@ -720,7 +720,7 @@ static int virtio_get_edid_block(void *data, u8 *buf,
size_t start = block * EDID_LENGTH;
if (start + len > le32_to_cpu(resp->size))
return -1;
return -EINVAL;
memcpy(buf, resp->edid + start, len);
return 0;
}