add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/tee/amdtee/core.c
..
..
@@ -267,35 +267,34 @@
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 		goto out;
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 	}
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+	/* Open session with loaded TA */
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+	handle_open_session(arg, &session_info, param);
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+	if (arg->ret != TEEC_SUCCESS) {
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+		pr_err("open_session failed %d\n", arg->ret);
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+		handle_unload_ta(ta_handle);
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+		kref_put(&sess->refcount, destroy_session);
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+		goto out;
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+	}
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+
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 	/* Find an empty session index for the given TA */
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 	spin_lock(&sess->lock);
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 	i = find_first_zero_bit(sess->sess_mask, TEE_NUM_SESSIONS);
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-	if (i < TEE_NUM_SESSIONS)
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+	if (i < TEE_NUM_SESSIONS) {
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+		sess->session_info[i] = session_info;
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+		set_session_id(ta_handle, i, &arg->session);
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 		set_bit(i, sess->sess_mask);
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+	}
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 	spin_unlock(&sess->lock);
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 	if (i >= TEE_NUM_SESSIONS) {
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 		pr_err("reached maximum session count %d\n", TEE_NUM_SESSIONS);
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+		handle_close_session(ta_handle, session_info);
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 		handle_unload_ta(ta_handle);
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 		kref_put(&sess->refcount, destroy_session);
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 		rc = -ENOMEM;
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 		goto out;
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 	}
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-	/* Open session with loaded TA */
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-	handle_open_session(arg, &session_info, param);
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-	if (arg->ret != TEEC_SUCCESS) {
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-		pr_err("open_session failed %d\n", arg->ret);
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-		spin_lock(&sess->lock);
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-		clear_bit(i, sess->sess_mask);
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-		spin_unlock(&sess->lock);
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-		handle_unload_ta(ta_handle);
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-		kref_put(&sess->refcount, destroy_session);
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-		goto out;
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-	}
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-
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-	sess->session_info[i] = session_info;
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-	set_session_id(ta_handle, i, &arg->session);
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 out:
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 	free_pages((u64)ta, get_order(ta_size));
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 	return rc;