From: Gerd Hoffmann <kraxel@redhat.com>
Date: Thu, 6 Apr 2017 15:59:40 +0000 (+0200)
Subject: drm/virtio: don't leak bo on drm_gem_object_init failure
X-Git-Tag: v4.11.10~30
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a2746d8b78fa470f43de7b3a472f8854fb8fa423;p=thirdparty%2Fkernel%2Fstable.git

drm/virtio: don't leak bo on drm_gem_object_init failure

commit 385aee965b4e4c36551c362a334378d2985b722a upstream.

Reported-by: 李强 <liqiang6-s@360.cn>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170406155941.458-1-kraxel@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c
index 1483daebe057d..6f66b7347cd0d 100644
--- a/drivers/gpu/drm/virtio/virtgpu_object.c
+++ b/drivers/gpu/drm/virtio/virtgpu_object.c
@@ -81,8 +81,10 @@ int virtio_gpu_object_create(struct virtio_gpu_device *vgdev,
 		return -ENOMEM;
 	size = roundup(size, PAGE_SIZE);
 	ret = drm_gem_object_init(vgdev->ddev, &bo->gem_base, size);
-	if (ret != 0)
+	if (ret != 0) {
+		kfree(bo);
 		return ret;
+	}
 	bo->dumb = false;
 	virtio_gpu_init_ttm_placement(bo, pinned);