msm: kgsl: Handle failure of find_process_private()

Handle the case of NULL return from find_process_private() upon
its failure by failing from get_process_private().

CRs-fixed: 542831
Change-Id: I8a365368ecf68f0d1aa01199aca76bc7ac49e154
Signed-off-by: Harsh Vardhan Dwivedi <hdwivedi@codeaurora.org>
msm: vidc: free the recon buffers in cleanup function

- The recon buffers were not released when video recording
  was killed abruptly leading to memory leak.

- Fix provided to release the recon buffers when media
  server killed abruptly.

Change-Id: I48ac1a592719446b7e4bf87bbd707d09351d1e61
Signed-off-by: srikarri <sridur@codeaurora.org>