Vedashree Vidwans 920b704ec7 gpu: nvgpu: put memory ref count ...

Put dma buffer ref count for all vm buffer mapping fail conditions.

Bug 200531152

Change-Id: I6bfad867eb9bd636a48b5ceb3a4417a80994a3ec
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Original Author: Bruce Xu <brucex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2194025
(cherry picked from commit f85504ae46d65d5346d9e2a5cc84ffb960ba9fb7)
Reviewed-on: https://git-master.nvidia.com/r/2195439
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Vinod Gopalakrishnakurup <vinodg@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

2020-12-15 14:05:52 -06:00

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