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nbd/client-connection: nbd_co_establish_connection(): fix non set errp 

When we don't have a connection and blocking is false, we return NULL
but don't set errp. That's wrong.

We have two paths for calling nbd_co_establish_connection():

1. nbd_open() -> nbd_do_establish_connection() -> ...
  but that will never set blocking=false

2. nbd_reconnect_attempt() -> nbd_co_do_establish_connection() -> ...
  but that uses errp=NULL

So, we are safe with our wrong errp policy in
nbd_co_establish_connection(). Still let's fix it.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20210906190654.183421-2-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
master
Vladimir Sementsov-Ogievskiy 2021-09-06 22:06:46 +03:00 committed by Eric Blake
parent da24597dd3
commit f7ca4aadca
1 changed files with 1 additions and 0 deletions
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nbd/client-connection.c
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@ -318,6 +318,7 @@ nbd_co_establish_connection(NBDClientConnection *conn, NBDExportInfo *info,
}
if (!blocking) {
error_setg(errp, "No connection at the moment");
return NULL;
}