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[Qemu-devel] [PULL 06/32] vhost-user: disconnect on start failure

From: Michael S. Tsirkin
Subject: [Qemu-devel] [PULL 06/32] vhost-user: disconnect on start failure
Date: Mon, 13 Jun 2016 23:39:11 +0300

From: Marc-André Lureau <address@hidden>

If the backend failed to start (for example feature negociation failed),
do not exit, but disconnect the char device instead. Slightly more
robust for reconnect case.

Signed-off-by: Marc-André Lureau <address@hidden>
Tested-by: Yuanhan Liu <address@hidden>
Reviewed-by: Yuanhan Liu <address@hidden>
Reviewed-by: Victor Kaplansky <address@hidden>
Reviewed-by: Michael S. Tsirkin <address@hidden>
Signed-off-by: Michael S. Tsirkin <address@hidden>
 net/vhost-user.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/vhost-user.c b/net/vhost-user.c
index 4a7fd5f..41ddb4b 100644
--- a/net/vhost-user.c
+++ b/net/vhost-user.c
@@ -202,7 +202,8 @@ static void net_vhost_user_event(void *opaque, int event)
         s->watch = qemu_chr_fe_add_watch(s->chr, G_IO_HUP,
                                          net_vhost_user_watch, s);
         if (vhost_user_start(queues, ncs) < 0) {
-            exit(1);
+            qemu_chr_disconnect(s->chr);
+            return;
         qmp_set_link(name, true, &err);

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