CHERRY-PICK: UPSTREAM: dj: memory scribble in logi_dj

CHERRY-PICK: UPSTREAM: dj: memory scribble in logi_dj

Allocate a structure not a pointer to it !

BUG=chromium-os:39354
TEST=manually tested on Link

(cherry picked from upstream commit 8a55ade76551e3927b4e41ee9e7751875d18bc25)
Change-Id: I36d4c6eec346aeb24d323cd6bcd426520d4dfdbd
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/46002
Reviewed-by: Yufeng Shen <miletus@chromium.org>
Commit-Queue: Andrew de los Reyes <adlr@chromium.org>
Tested-by: Andrew de los Reyes <adlr@chromium.org>