> On Mar 8, 2019, at 10:36 PM, Kangjie Lu <k...@umn.edu> wrote:
>
> alloc_ordered_workqueue may fail and return NULL.
> The fix returns ENOMEM when it fails to avoid potential NULL
> pointer dereference.
>
> Signed-off-by: Kangjie Lu <k...@umn.edu>
> ---
> drivers/gpu/drm/vkms/vkms_crtc.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/vkms/vkms_crtc.c
> b/drivers/gpu/drm/vkms/vkms_crtc.c
> index 8a9aeb0a9ea8..bb66dbcd5e3f 100644
> --- a/drivers/gpu/drm/vkms/vkms_crtc.c
> +++ b/drivers/gpu/drm/vkms/vkms_crtc.c
> @@ -219,6 +219,8 @@ int vkms_crtc_init(struct drm_device *dev, struct
> drm_crtc *crtc,
> spin_lock_init(&vkms_out->state_lock);
>
> vkms_out->crc_workq = alloc_ordered_workqueue("vkms_crc_workq", 0);
> + if (!vkms_out->crc_workq)
> + return -ENOMEM;
Is this a reasonable patch?
>
> return ret;
> }
> --
> 2.17.1
>
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
