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SubjectRe: [Intel-gfx] [PATCH] drm/i915: fix itnull.cocci warnings (fwd)
On Mon, Jan 18, 2016 at 05:42:24PM +0000, Eric Engestrom wrote:
> I expect this is the script she mentions:
> https://github.com/coccinelle/coccinellery/blob/master/itnull/itnull.cocci
>
> Julia is one of the authors of Coccinelle, and the author of that script :)

I get how these patches get created, I just can't find a tree anywhere
where this applies. So I wonder what it was generated against ...
-Daniel

>
>
> On 18/01/16 17:20, Daniel Vetter wrote:
> > On Mon, Jan 18, 2016 at 04:49:06PM +0100, Julia Lawall wrote:
> >> List_for_each entry binds its first argument to an offset from the list
> >> pointer, so this should not be NULL.
> >>
> >> Generated by: scripts/coccinelle/iterators/itnull.cocci
> >>
> >> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
> >> ---
> >>
> >> Please take the patch only if it's a positive warning. Thanks!
> >
> > Against which tree is this? I can't find this anywhere like that ...
> > -Daniel
> >
> >>
> >> intel_display.c | 2 +-
> >> 1 file changed, 1 insertion(+), 1 deletion(-)
> >>
> >> --- a/drivers/gpu/drm/i915/intel_display.c
> >> +++ b/drivers/gpu/drm/i915/intel_display.c
> >> @@ -16498,7 +16498,7 @@ void intel_modeset_preclose(struct drm_d
> >> struct intel_flip_work *work;
> >>
> >> list_for_each_entry(work, &crtc->flip_work, head) {
> >> - if (work && work->event &&
> >> + if (work->event &&
> >> work->event->base.file_priv == file) {
> >> kfree(work->event);
> >> work->event = NULL;
> >> _______________________________________________
> >> Intel-gfx mailing list
> >> Intel-gfx@lists.freedesktop.org
> >> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
> >

--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

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