Ketan Patil e3a44ab6e8 video: tegra: nvmap: Fix kmemleak issue ...

get_task_struct increment the ref count over task struct, and it will be
decremented as part of put_task_struct. task_struct won't be freed
unless it's refcount becomes 0. Hence the missing put_task_struct in
nvmap code was resulting into kmemleak. Fix it by add this missing call.
Also, mutex_unlock was missing in one of the return path, add it.

Bug 3901618

Change-Id: I630eac19e628a549179a8ddaad86ad4d2c9b9a53
Signed-off-by: Ketan Patil <ketanp@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2837383
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Ashish Mhetre <amhetre@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>

2023-04-11 05:54:22 +00:00

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