Re: [Intel-gfx] [PATCH] drm/i915: Fix NULL pointer deference when out of PLLs in IVB

2016-05-23 Thread Jani Nikula
On Fri, 20 May 2016, Ander Conselvan de Oliveira wrote: > In commit f9476a6c6d0c ("drm/i915: Refactor platform specifics out of > intel_get_shared_dpll()"), the ibx_get_dpll() function lacked an error > check, that can lead to a NULL pointer dereference when trying to enable > pipe C. > > BUG: un

Re: [Intel-gfx] [PATCH] drm/i915: Fix NULL pointer deference when out of PLLs in IVB

2016-05-20 Thread Ville Syrjälä
On Fri, May 20, 2016 at 03:47:06PM +0300, Ander Conselvan de Oliveira wrote: > In commit f9476a6c6d0c ("drm/i915: Refactor platform specifics out of > intel_get_shared_dpll()"), the ibx_get_dpll() function lacked an error > check, that can lead to a NULL pointer dereference when trying to enable >

[Intel-gfx] [PATCH] drm/i915: Fix NULL pointer deference when out of PLLs in IVB

2016-05-20 Thread Ander Conselvan de Oliveira
In commit f9476a6c6d0c ("drm/i915: Refactor platform specifics out of intel_get_shared_dpll()"), the ibx_get_dpll() function lacked an error check, that can lead to a NULL pointer dereference when trying to enable pipe C. BUG: unable to handle kernel NULL pointer dereference at 0068 IP