On Thu, 2013-01-24 at 10:31 +0200, Jani Nikula wrote: > > } > > + /* some buggy driver may return NULL here, which may cause panic */ > > + BUG_ON(!fb); > > I fail to see the benefit of this compared to just letting it oops... > > > or->fb_id = fb->base.id; > > ...right here. > > For PATCH V3, I think a BUG_ON may give the user clearer information about the reason of panic. Easier to debug. I submitted a PATCH V2 yesterday which gives a warning and then return -EVAL if fb==NULL, preventing the panic. Do you think this is acceptable?
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