[PATCH] drm/i915/gvt: remove the redundant info NULL check

Zhang, Tina tina.zhang at intel.com
Fri Mar 24 09:14:21 UTC 2017


Add Colin and Dan.
Thanks.

> -----Original Message-----
> From: intel-gvt-dev [mailto:intel-gvt-dev-bounces at lists.freedesktop.org] On
> Behalf Of Tina Zhang
> Sent: Friday, March 24, 2017 1:57 PM
> To: intel-gvt-dev at lists.freedesktop.org
> Cc: Zhang, Tina <tina.zhang at intel.com>
> Subject: [PATCH] drm/i915/gvt: remove the redundant info NULL check
> 
> The variable info is never NULL, which is checked by the caller. This patch
> removes the redundant info NULL check logic.
> 
> Signed-off-by: Tina Zhang <tina.zhang at intel.com>
> 
> diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c
> b/drivers/gpu/drm/i915/gvt/kvmgt.c
> index d641214..2d92119 100644
> --- a/drivers/gpu/drm/i915/gvt/kvmgt.c
> +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
> @@ -1340,13 +1340,6 @@ static int kvmgt_guest_init(struct mdev_device
> *mdev)
> 
>  static bool kvmgt_guest_exit(struct kvmgt_guest_info *info)  {
> -	struct intel_vgpu *vgpu = info->vgpu;
> -
> -	if (!info) {
> -		gvt_vgpu_err("kvmgt_guest_info invalid\n");
> -		return false;
> -	}
> -
>  	kvm_page_track_unregister_notifier(info->kvm, &info->track_node);
>  	kvm_put_kvm(info->kvm);
>  	kvmgt_protect_table_destroy(info);
> --
> 2.7.4
> 
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