]> git.baikalelectronics.ru Git - kernel.git/commit
drm: WARN when removing unallocated node
authorBen Widawsky <benjamin.widawsky@intel.com>
Wed, 14 Aug 2013 01:09:08 +0000 (18:09 -0700)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Thu, 22 Aug 2013 11:31:46 +0000 (13:31 +0200)
commit3f571f9abbe13c2f0de8b44274b589232dbf64f9
treeee753ed1dd51a46bf15d31ae9e691ff0e5a7e3e6
parentd1db334be8fab908d1906982d84132ed04b30dbc
drm: WARN when removing unallocated node

The conditional is usually a recoverable driver bug, and so WARNing, and
preventing the drm_mm code from doing potential damage (BUG) is
desirable.

This issue was hit and fixed twice while developing the i915 multiple
address space code. The first fix is the patch just before this, and is
hit on an not frequently occuring error path. Another was fixed during
patch iteration, so it's hard to see from the patch:

commit dc9e29b9d579315a42258aa2b8f8b45e93a56c9c
Author: Ben Widawsky <ben@bwidawsk.net>
Date:   Fri Jul 5 14:41:06 2013 -0700

    drm/i915: Embed drm_mm_node in i915 gem obj

From the intel-gfx mailing list, we discussed this:
References: <20130705191235.GA3057@bwidawsk.net>

Cc: Dave Airlie <airlied@redhat.com>
CC: <dri-devel@lists.freedesktop.org>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Acked-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/drm_mm.c