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Message-ID: <CAPj87rN1LYaSY5Yq2FWnZPF32YVYA7-mj5phxTRrAgLaHDqfOQ@mail.gmail.com>
Date: Wed, 27 Apr 2016 10:23:11 +0200
From: Daniel Stone <daniel@...ishbar.org>
To: Gustavo Padovan <gustavo@...ovan.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
devel@...verdev.osuosl.org, Daniel Vetter <daniel.vetter@...ll.ch>,
Riley Andrews <riandrews@...roid.com>,
dri-devel <dri-devel@...ts.freedesktop.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Arve Hjønnevåg <arve@...roid.com>,
Gustavo Padovan <gustavo.padovan@...labora.co.uk>,
John Harrison <John.C.Harrison@...el.com>
Subject: Re: [RFC v2 7/8] drm/fence: add fence timeline to drm_crtc
Hi,
On 26 April 2016 at 00:33, Gustavo Padovan <gustavo@...ovan.org> wrote:
> +static inline struct drm_crtc *fence_to_crtc(struct fence *fence)
> +{
> + if (fence->ops != &drm_crtc_fence_ops)
> + return NULL;
Since this is (currently) only used before unconditional dereferences,
maybe turn this into a BUG_ON instead of return NULL?
Cheers,
Daniel
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