diff options
| author | Dave Airlie <airlied@redhat.com> | 2016-09-28 13:23:07 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2016-09-28 13:23:07 +1000 |
| commit | c0d5fb4d0d9224ccaad0475c9b58740873970e7e (patch) | |
| tree | 202ee565e7d873f6580b85251aba75a00bac1fc2 /drivers/gpu/drm/virtio/virtgpu_plane.c | |
| parent | ca09fb9f60b5f3ab2d57e761aaeea89a5147d784 (diff) | |
| parent | 30b9c96cf7b44d53b9165649c8be34ac234be324 (diff) | |
Merge tag 'drm-qemu-20160921' of git://git.kraxel.org/linux into drm-next
bugfixes for qemu (bochs, qxl and virtio-gpu) drm drivers
* tag 'drm-qemu-20160921' of git://git.kraxel.org/linux:
drm/virtio: add real fence context and seqno
drm/virtio: drop virtio_gpu_execbuffer_ioctl() wrapping
virtio-gpu: avoid possible NULL pointer dereference
drm/qxl: reapply cursor after SetCrtc calls
bochs: ignore device if there isn't enougth memory
Diffstat (limited to 'drivers/gpu/drm/virtio/virtgpu_plane.c')
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_plane.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c index 925ca25209df..ba28c0f6f28a 100644 --- a/drivers/gpu/drm/virtio/virtgpu_plane.c +++ b/drivers/gpu/drm/virtio/virtgpu_plane.c @@ -76,7 +76,8 @@ static void virtio_gpu_primary_plane_update(struct drm_plane *plane, output = drm_crtc_to_virtio_gpu_output(plane->state->crtc); if (old_state->crtc) output = drm_crtc_to_virtio_gpu_output(old_state->crtc); - WARN_ON(!output); + if (WARN_ON(!output)) + return; if (plane->state->fb) { vgfb = to_virtio_gpu_framebuffer(plane->state->fb); @@ -129,7 +130,8 @@ static void virtio_gpu_cursor_plane_update(struct drm_plane *plane, output = drm_crtc_to_virtio_gpu_output(plane->state->crtc); if (old_state->crtc) output = drm_crtc_to_virtio_gpu_output(old_state->crtc); - WARN_ON(!output); + if (WARN_ON(!output)) + return; if (plane->state->fb) { vgfb = to_virtio_gpu_framebuffer(plane->state->fb); |