On Thu, Jun 16, 2011 at 04:47:53PM +0100, Chris Wilson wrote: > On Thu, 16 Jun 2011 08:15:57 -0700, Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> wrote: > > On Thu, 16 Jun 2011 15:28:46 +0200 > > Wolfram Sang <w.sang@xxxxxxxxxxxxxx> wrote: > > > How about BUG_ON(!ptr) in the init-routine for a bit more grace? And/or > > > a warning in the else-block? It seems to happen to users... > > > > Yeah, a BUG_ON would be fine. > > if (WARN_ON(!ptr, "no display vtable")) > return -ENODEV; That would mean converting the involved void-functions to int to propagate the error (intel_init_clock_gating, intel_modeset_init). Not a big deal, but quite intrusive. Do you really mean that? -- Pengutronix e.K. | Wolfram Sang | Industrial Linux Solutions | http://www.pengutronix.de/ |
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