[OPTEE Driver] memory leak in tee_shm.c

[omasse-nxp]

Hello,

I find a memory leak in optee driver introduced by the following commit:
9d5c773

the driver do not release correctly a dma_buf_attachment structure when releasing a file descriptor shared memory.
PFA a patch to fix the issue.

0001-MMIOT-674-Add-missing-DMA-Buf-detach.zip

BR / Olivier

[jforissier]

Hi Olivier,

Thanks for the patch. Which branch did you use? It doesn't apply on top of the current optee branch (at commit 436d15c).

[omasse-nxp]

Sorry, the patch is on linux 4.14 branch. PFA a rebased one on 436d15c

0001-Add-missing-DMA-Buf-detach.zip

[jforissier]

Thanks. I have opened #87 to collect review comments and then merge into our optee branch.