websock: Don't try to set *errp directly

Assigning directly to *errp is not valid, as errp may be NULL,
&error_fatal, or &error_abort.  Use error_propagate() instead.

Cc: "Daniel P. Berrange" <berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20170608133906.12737-4-ehabkost@redhat.com>
Reviewed-by: Manos Pitsidianakis <el13635@mail.ntua.gr>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

diff --git a/io/channel-websock.c b/io/channel-websock.c
index 8fabadea2f7f40bb5f2a20f5ed9d5b5af193f1b4..5a3badbec2bbcc1233489692a34ad76716f74931 100644 (file)
--- a/io/channel-websock.c
+++ b/io/channel-websock.c
@@ -856,7 +856,7 @@ static ssize_t qio_channel_websock_readv(QIOChannel *ioc,
     ssize_t ret;
 
     if (wioc->io_err) {
-        *errp = error_copy(wioc->io_err);
+        error_propagate(errp, error_copy(wioc->io_err));
         return -1;
     }
 
@@ -902,7 +902,7 @@ static ssize_t qio_channel_websock_writev(QIOChannel *ioc,
     ssize_t ret;
 
     if (wioc->io_err) {
-        *errp = error_copy(wioc->io_err);
+        error_propagate(errp, error_copy(wioc->io_err));
         return -1;
     }