tree 4b8be2cdfbb6eda72ef296059d968f3544171532
parent 75cbf3037585ecef27ca5659a5d1f97cbd408c76
author Archana Sriram <apsrir@codeaurora.org> 1603044244 +0530
committer Luca Weiss <luca.weiss@fairphone.com> 1629872048 +0200

msm: kgsl: Compare pid pointer instead of TGID for a new process

There is a possibility of sharing process_private between two unrelated
processes due to PID wrapping. In kgsl_process_private_new(), instead
of checking numeric TGID, compare the unique pid pointer of the current
process with that of the existing processes in kgsl process list to
allow sharing of process_private data judiciously. Also, in all required
functions get TGID/PID of a process from its struct pid.

Change-Id: I0e3d5d79275cdb3f3c304fb36322ad56b0d0b227
Signed-off-by: Archana Sriram <apsrir@codeaurora.org>