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Commit b80d3942 authored by Heinrich Schuchardt's avatar Heinrich Schuchardt Committed by Daniel Vetter
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drm/mm: avoid possible null pointer dereference 



Do not dereference node before the check if node is NULL.

Signed-off-by: default avatarHeinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: default avatarEric Engestrom <eric.engestrom@imgtec.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1463602639-4861-1-git-send-email-xypron.glpk@gmx.de
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