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drm/virtio: Fix a NULL vs ERR_PTR() bug in virtio_gpu_user_framebuffer_create()

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Smatch complains that returning a NULL here will lead to a NULL pointer
dereference in drm_mode_addfb2().  Return an error pointer instead.

Fixes: dc5698e80c ("Add virtio gpu driver.")
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://patch.msgid.link/an1tWfHIHwtXd9SO@stanley.mountain
This commit is contained in:
Dan Carpenter 2026-08-13 10:08:09 +03:00 committed by Dmitry Osipenko
parent f4f2bba28d
commit 94579f24e2
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/virtio/virtgpu_display.c
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@ -344,7 +344,7 @@ virtio_gpu_user_framebuffer_create(struct drm_device *dev,
if (ret) {
kfree(virtio_gpu_fb);
drm_gem_object_put(obj);
return NULL;
return ERR_PTR(ret);
}
return &virtio_gpu_fb->base;