[PATCH] drm/virtio: fix the missed drm_gem_object_put() in virtio_gpu_user_framebuffer_create()

[Jing Xiangfeng]

virtio_gpu_user_framebuffer_create() misses to call drm_gem_object_put()
in an error path. Add the missed function call to fix it.

Signed-off-by: Jing Xiangfeng <jingxiangf...@huawei.com>
---
 drivers/gpu/drm/virtio/virtgpu_display.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c 
b/drivers/gpu/drm/virtio/virtgpu_display.c
index a6caebd4a0dd..5b00310ac4cd 100644
--- a/drivers/gpu/drm/virtio/virtgpu_display.c
+++ b/drivers/gpu/drm/virtio/virtgpu_display.c
@@ -308,8 +308,10 @@ virtio_gpu_user_framebuffer_create(struct drm_device *dev,
                return ERR_PTR(-EINVAL);
 
        virtio_gpu_fb = kzalloc(sizeof(*virtio_gpu_fb), GFP_KERNEL);
-       if (virtio_gpu_fb == NULL)
+       if (virtio_gpu_fb == NULL) {
+               drm_gem_object_put(obj);
                return ERR_PTR(-ENOMEM);
+       }
 
        ret = virtio_gpu_framebuffer_init(dev, virtio_gpu_fb, mode_cmd, obj);
        if (ret) {
-- 
2.26.0.106.g9fadedd