tree f71ab9cb6e1ca38020e21096f9ba94376d019aab
parent d2a07f170d60549950e5c6d14bd8beef8dd2c60b
author Jordan Crouse <jcrouse@codeaurora.org> 1600959953 -0600
committer Rajesh Kemisetti <rajeshk@codeaurora.org> 1603268835 +0530

msm: kgsl: Don't allow re-importing memory owned by KGSL

Don't allow IOCTL_KGSL_MAP_USER_MEM to import user memory that was
already allocated and mapped by KGSL in the first place.  Remapping
memory never makes sense and it messes up reference counting in the
pools.

Change-Id: Ic0dedbade96ac6b30dcbbb794bf57a597f1bb351
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>