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 :) 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@xxxxxxxxx> >> --- >> >> 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@xxxxxxxxxxxxxxxxxxxxx >> http://lists.freedesktop.org/mailman/listinfo/intel-gfx > _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx