diff options
Diffstat (limited to 'drivers/media/platform/qcom/venus/hfi.c')
| -rw-r--r-- | drivers/media/platform/qcom/venus/hfi.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/media/platform/qcom/venus/hfi.c b/drivers/media/platform/qcom/venus/hfi.c index 638ed5cfe05e..8786609d269e 100644 --- a/drivers/media/platform/qcom/venus/hfi.c +++ b/drivers/media/platform/qcom/venus/hfi.c @@ -175,6 +175,8 @@ static int wait_session_msg(struct venus_inst *inst) int hfi_session_create(struct venus_inst *inst, const struct hfi_inst_ops *ops) { struct venus_core *core = inst->core; + bool max; + int ret; if (!ops) return -EINVAL; @@ -184,11 +186,19 @@ int hfi_session_create(struct venus_inst *inst, const struct hfi_inst_ops *ops) inst->ops = ops; mutex_lock(&core->lock); - list_add_tail(&inst->list, &core->instances); - atomic_inc(&core->insts_count); + + max = atomic_add_unless(&core->insts_count, 1, + core->max_sessions_supported); + if (!max) { + ret = -EAGAIN; + } else { + list_add_tail(&inst->list, &core->instances); + ret = 0; + } + mutex_unlock(&core->lock); - return 0; + return ret; } EXPORT_SYMBOL_GPL(hfi_session_create); |