Unverified Commit 84118b3d authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!15342 drm/virtio: fix NULL pointer dereference in virtio_gpu_conn_get_modes 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zhang Kunbo <zhangkunbo@huawei.com>
https://mailweb.openeuler.org/archives/list/kernel@openeuler.org/message/HJ7P2BH4GLNGWAAZVHIVSB44N7ZHXJQA/ 
 
https://gitee.com/src-openeuler/kernel/issues/IBP1Y3 
 
Link:https://gitee.com/openeuler/kernel/pulls/15342

 

Reviewed-by: default avatarZhang Jianhua <chris.zjh@huawei.com>
Reviewed-by: default avatarYuan Can <yuancan@huawei.com>
Signed-off-by: default avatarYuan Can <yuancan@huawei.com>
parents a5d78138 683a49c0

drivers/gpu/drm/virtio/virtgpu_display.c

+2 −0
Original line number Diff line number Diff line
@@ -180,6 +180,8 @@ static int virtio_gpu_conn_get_modes(struct drm_connector *connector) 
		DRM_DEBUG("add mode: %dx%d\n", width, height);

		mode = drm_cvt_mode(connector->dev, width, height, 60,

				    false, false, false);

		if (!mode)

			return count;

		mode->type |= DRM_MODE_TYPE_PREFERRED;

		drm_mode_probed_add(connector, mode);

		count++;