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Noralf Trønnes authored
drm_fb_helper_hotplug_event() should tolerate the fb_helper argument being NULL. Commit 03a9606e ("drm/fb-helper: Avoid race with DRM userspace") introduced a fb_helper dereference before the NULL check. Fixup by moving the dereference after the NULL check. Fixes: 03a9606e ("drm/fb-helper: Avoid race with DRM userspace") Reported-by: kbuild test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20190515132925.48867-1-noralf@tronnes.org
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