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Diffstat (limited to 'nbd/client.c')
-rw-r--r--nbd/client.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/nbd/client.c b/nbd/client.c
index 7bdce531cc..7db4301d29 100644
--- a/nbd/client.c
+++ b/nbd/client.c
@@ -40,6 +40,9 @@ static int nbd_errno_to_system_errno(int err)
case NBD_ENOSPC:
ret = ENOSPC;
break;
+ case NBD_ESHUTDOWN:
+ ret = ESHUTDOWN;
+ break;
default:
TRACE("Squashing unexpected error %d to EINVAL", err);
/* fallthrough */
@@ -239,11 +242,21 @@ static int nbd_handle_reply_err(QIOChannel *ioc, nbd_opt_reply *reply,
reply->option);
break;
+ case NBD_REP_ERR_PLATFORM:
+ error_setg(errp, "Server lacks support for option %" PRIx32,
+ reply->option);
+ break;
+
case NBD_REP_ERR_TLS_REQD:
error_setg(errp, "TLS negotiation required before option %" PRIx32,
reply->option);
break;
+ case NBD_REP_ERR_SHUTDOWN:
+ error_setg(errp, "Server shutting down before option %" PRIx32,
+ reply->option);
+ break;
+
default:
error_setg(errp, "Unknown error code when asking for option %" PRIx32,
reply->option);
@@ -785,6 +798,11 @@ ssize_t nbd_receive_reply(QIOChannel *ioc, NBDReply *reply)
reply->error = nbd_errno_to_system_errno(reply->error);
+ if (reply->error == ESHUTDOWN) {
+ /* This works even on mingw which lacks a native ESHUTDOWN */
+ LOG("server shutting down");
+ return -EINVAL;
+ }
TRACE("Got reply: { magic = 0x%" PRIx32 ", .error = % " PRId32
", handle = %" PRIu64" }",
magic, reply->error, reply->handle);