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[PULL 14/20] nbd/client-connection: nbd_co_establish_connection(): fix n
From: |
Eric Blake |
Subject: |
[PULL 14/20] nbd/client-connection: nbd_co_establish_connection(): fix non set errp |
Date: |
Mon, 27 Sep 2021 16:55:39 -0500 |
From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
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>
---
nbd/client-connection.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/nbd/client-connection.c b/nbd/client-connection.c
index 7123b1e18900..695f85575414 100644
--- a/nbd/client-connection.c
+++ b/nbd/client-connection.c
@@ -318,6 +318,7 @@ nbd_co_establish_connection(NBDClientConnection *conn,
NBDExportInfo *info,
}
if (!blocking) {
+ error_setg(errp, "No connection at the moment");
return NULL;
}
--
2.31.1
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