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drm/i915: Fix object refcount leak on mmappable size limit error path. 

I've been seeing memory leaks on my system in the form of large
(300-400MB) GEM objects created by now-dead processes laying around
clogging up memory.  I usually notice when it gets to about 1.2GB of
them.  Hopefully this clears up the issue, but I just found this bug
by inspection.

Signed-off-by: Eric Anholt <eric@anholt.net>
Cc: stable@kernel.org
Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Eric Anholt 2011-10-31 23:16:21 -07:00 committed by Keith Packard
parent 627f7675f0
commit ff56b0bc84
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/i915_gem.c
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@ -1396,7 +1396,7 @@ i915_gem_mmap_gtt(struct drm_file *file,
if (obj->base.size > dev_priv->mm.gtt_mappable_end) {
ret = -E2BIG;
goto unlock;
goto out;
}
if (obj->madv != I915_MADV_WILLNEED) {