Re: [PATCH] drm/i915: Avoid null dereference if mst_port is unset.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Quoting Rodrigo Vivi (2017-08-10 15:50:43)
> I'm not sure if this is really the case and I don't believe
> this is the real fix for the bug mentioned here, but since
> I don't see a reliable path when mst_port is set and when
> mode_valid is requested I believe it is worth to have this
> protection here.

The guard looks correct. We defend ourselves against the async
disconnect elsewhere through the post-detect callbacks, i.e. we cannot
rely on intel_connector->mst_port remaining valid for a whole detect()
cycle.

Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
-Chris
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/intel-gfx




[Index of Archives]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]
  Powered by Linux