msm: display: clear sec_active when the pipe is not for secure

Make sure secure memory is unmapped properly

Change-Id: Ie0f2bc586ab4de45ceaaa6834db64ba7b94b2c0b
Signed-off-by: Ken Zhang <kenz@codeaurora.org>
Signed-off-by: c_hharis <hharis@codeaurora.org>
Signed-off-by: Nirmal Abraham <nabrah@codeaurora.org>
lib/scatterlist: error handling in __sg_alloc_table()

I was reviewing code which I suspected might allocate a zero size SG
table.  That will cause memory corruption.  Also we can't return before
doing the memset or we could end up using uninitialized memory in the
cleanup path.

Change-Id: Icee6be8ea22644d7f16264d9d2a0887c7145996b
CRs-Fixed: 611562
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>