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| author | Rijo Thomas <Rijo-john.Thomas@amd.com> | 2020-11-04 11:56:10 +0530 |
|---|---|---|
| committer | Jens Wiklander <jens.wiklander@linaro.org> | 2020-11-09 08:59:00 +0100 |
| commit | be353be27874f40837327d9a39e3ad2149ab66d3 (patch) | |
| tree | 7cbc8335376bcc367e79204311128405a11930ca /drivers/tee/amdtee/amdtee_private.h | |
| parent | ff1f855804cdbbb6db7b9b6df6cab783d1a40d66 (diff) | |
| download | linux-next-be353be27874f40837327d9a39e3ad2149ab66d3.tar.gz | |
tee: amdtee: synchronize access to shm list
Synchronize access to shm or shared memory buffer list to prevent
race conditions due to concurrent updates to shared shm list by
multiple threads.
Fixes: 757cc3e9ff1d ("tee: add AMD-TEE driver")
Reviewed-by: Devaraj Rangasamy <Devaraj.Rangasamy@amd.com>
Signed-off-by: Rijo Thomas <Rijo-john.Thomas@amd.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Diffstat (limited to 'drivers/tee/amdtee/amdtee_private.h')
| -rw-r--r-- | drivers/tee/amdtee/amdtee_private.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/tee/amdtee/amdtee_private.h b/drivers/tee/amdtee/amdtee_private.h index 97df16a17285..337c8d82f74e 100644 --- a/drivers/tee/amdtee/amdtee_private.h +++ b/drivers/tee/amdtee/amdtee_private.h @@ -70,6 +70,7 @@ struct amdtee_session { struct amdtee_context_data { struct list_head sess_list; struct list_head shm_list; + struct mutex shm_mutex; /* synchronizes access to @shm_list */ }; struct amdtee_driver_data { |