This reverts commit a979a6aa009f3c99689432e0cdb5402a4463fb88.

The reverted commit may cause VM freeze on arm64 platform.
Because on arm64 platform, stop a consumer will suspend the VM,
the VM will freeze without a start consumer

Signed-off-by: Zhu Lingshan <[email protected]>
---
 virt/lib/irqbypass.c | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/virt/lib/irqbypass.c b/virt/lib/irqbypass.c
index c9bb3957f58a..28fda42e471b 100644
--- a/virt/lib/irqbypass.c
+++ b/virt/lib/irqbypass.c
@@ -40,21 +40,17 @@ static int __connect(struct irq_bypass_producer *prod,
        if (prod->add_consumer)
                ret = prod->add_consumer(prod, cons);
 
-       if (ret)
-               goto err_add_consumer;
-
-       ret = cons->add_producer(cons, prod);
-       if (ret)
-               goto err_add_producer;
+       if (!ret) {
+               ret = cons->add_producer(cons, prod);
+               if (ret && prod->del_consumer)
+                       prod->del_consumer(prod, cons);
+       }
 
        if (cons->start)
                cons->start(cons);
        if (prod->start)
                prod->start(prod);
-err_add_producer:
-       if (prod->del_consumer)
-               prod->del_consumer(prod, cons);
-err_add_consumer:
+
        return ret;
 }
 
-- 
2.27.0

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