On 5/9/24 04:52, Weishi Li wrote:
> @@ -356,12 +356,14 @@ static int virtio_gpu_queue_ctrl_sgs(struct
> virtio_gpu_device *vgdev,
>
> ret = virtqueue_add_sgs(vq, sgs, outcnt, incnt, vbuf, GFP_ATOMIC);
> WARN_ON(ret);
> + if (ret < 0 && ret != -ENOSPC) {
> +
Both virtio_gpu_queue_ctrl_buffer and virtio_gpu_queue_cursor use
virtqueue_add_sgs to upload the structure virtio_gpu_vbuffer * vbuf
to virtqueue. However, when the vbuf fails to upload and virtqueue_add_sgs
returns -EIO or -ENOMEM, the vbuf will not be able to be free by
Both virtio_gpu_queue_ctrl_buffer and virtio_gpu_queue_cursor use
virtqueue_add_sgs to upload the structure virtio_gpu_vbuffer * vbuf
to virtqueue. However, when the vbuf fails to upload and virtqueue_add_sgs
returns -EIO or -ENOMEM, the vbuf will not be able to be free by
link:
https://lore.kernel.org/r/20240507033814.57906-1-liweishi%40kylinos.cn
patch subject: [PATCH] [PATCH RESEND] drm/virtio: fix memory leak of vbuf
config: i386-buildonly-randconfig-001-20240508
(https://download.01.org/0day-ci/archive/20240509/202405090747.y8ofue7r-...@intel.com/config
Both virtio_gpu_queue_ctrl_buffer and virtio_gpu_queue_cursor use
virtqueue_add_sgs to upload the structure virtio_gpu_vbuffer * vbuf
to virtqueue. However, when the vbuf fails to upload and virtqueue_add_sgs
returns -EIO or -ENOMEM, the vbuf will not be able to be free by
-of-vbuf/20240430-132447
base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:
https://lore.kernel.org/r/20240429030541.56702-1-liweishi%40kylinos.cn
patch subject: [PATCH] [PATCH RESEND] drm/virtio: fix memory leak of vbuf
config: hexagon-randconfig-001-20240501
(https
base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:
https://lore.kernel.org/r/20240429030541.56702-1-liweishi%40kylinos.cn
patch subject: [PATCH] [PATCH RESEND] drm/virtio: fix memory leak of vbuf
config: x86_64-defconfig
(https://download.01.org/0day-ci/archive/20240501
Both virtio_gpu_queue_ctrl_buffer and virtio_gpu_queue_cursor use
virtqueue_add_sgs to upload the structure virtio_gpu_vbuffer * vbuf
to virtqueue. However, when virtqueue_add_sgs returns -EIO or -ENOMEM,
it means vbuf upload failed, and vbuf will not be able to be
free by
