diff options
| -rw-r--r-- | drivers/tee/tee_shm.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/tee/tee_shm.c b/drivers/tee/tee_shm.c index daf6e5cfd59a..915239b033f5 100644 --- a/drivers/tee/tee_shm.c +++ b/drivers/tee/tee_shm.c @@ -560,9 +560,13 @@ EXPORT_SYMBOL_GPL(tee_shm_get_from_id); */ void tee_shm_put(struct tee_shm *shm) { - struct tee_device *teedev = shm->ctx->teedev; + struct tee_device *teedev; bool do_release = false; + if (!shm || !shm->ctx || !shm->ctx->teedev) + return; + + teedev = shm->ctx->teedev; mutex_lock(&teedev->mutex); if (refcount_dec_and_test(&shm->refcount)) { /* |