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drm/i915/buddy: avoid double list_add

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Be careful not to mark an already free node as free again.

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200305204711.217783-1-matthew.auld@intel.com
This commit is contained in:
Matthew Auld 2020-03-05 20:47:10 +00:00 committed by Chris Wilson
parent 520f835036
commit f4b1b92f41
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/i915/i915_buddy.c
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@ -312,7 +312,8 @@ i915_buddy_alloc(struct i915_buddy_mm *mm, unsigned int order)
return block;
out_free:
__i915_buddy_free(mm, block);
if (i != order)
__i915_buddy_free(mm, block);
return ERR_PTR(err);
}