From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gerd Hoffmann <kraxel@redhat.com>
Subject: Re: [PATCH] drm: virtio: fix eno.cocci warnings
Date: Tue, 14 Mar 2017 14:44:55 +0100
Message-ID: <1489499095.27633.5.camel__2908.14009863443$1489499112$gmane$org@redhat.com>
References: <201703142048.yRK7v1yg%fengguang.wu@intel.com>
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To: kbuild test robot <fengguang.wu@intel.com>
Cc: David Airlie <airlied@linux.ie>, Daniel Vetter <daniel.vetter@ffwll.ch>, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org, kbuild-all@01.org
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  Hi,

>  	vbuf = kmem_cache_alloc(vgdev->vbufs, GFP_KERNEL);
> -	if (IS_ERR(vbuf))
> +	if (!vbuf)
>  		return ERR_CAST(vbuf);

Well, ERR_CAST(vbuf) isn't correct either ...

correct fix has been committed to drm-misc-next today and should show up
in linux-next shortly.

cheers,
  Gerd