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util/vhost-user-server: check EOF when reading payload
author
Stefan Hajnoczi
<stefanha@redhat.com>
Thu, 24 Sep 2020 15:15:44 +0000
(16:15 +0100)
committer
Stefan Hajnoczi
<stefanha@redhat.com>
Fri, 23 Oct 2020 12:42:16 +0000
(13:42 +0100)
Unexpected EOF is an error that must be reported.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id:
20200924151549
.913737-9-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
util/vhost-user-server.c
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diff --git
a/util/vhost-user-server.c
b/util/vhost-user-server.c
index a7b7a9897f11c757ed7d826f0f71834ba61bdd22..981908fef090fe9add0d1fa63be82a962ead27aa 100644
(file)
--- a/
util/vhost-user-server.c
+++ b/
util/vhost-user-server.c
@@
-169,8
+169,10
@@
vu_message_read(VuDev *vu_dev, int conn_fd, VhostUserMsg *vmsg)
};
if (vmsg->size) {
rc = qio_channel_readv_all_eof(ioc, &iov_payload, 1, &local_err);
- if (rc == -1) {
- error_report_err(local_err);
+ if (rc != 1) {
+ if (local_err) {
+ error_report_err(local_err);
+ }
goto fail;
}
}