fix incorrect pointer references

Incorrect pointer usage may crash system.

BUG=chromium-os:37272
TEST=make no difference
Change-Id: I999383f3505510db4762ff7a090bff348c898f80
Reviewed-on: https://gerrit.chromium.org/gerrit/44618
Reviewed-by: Andrew de los Reyes <adlr@chromium.org>
Commit-Queue: Chung-yih Wang <cywang@chromium.org>
Tested-by: Chung-yih Wang <cywang@chromium.org>
1 file changed