From b136266d57e5cff90142eaaad204d8b5b468dd9c Mon Sep 17 00:00:00 2001
From: Jiri Denemark <jdenemar@redhat.com>
Date: Mon, 15 Aug 2011 11:28:53 +0200
Subject: [PATCH] Ignore unused streams in virStreamAbort

When virStreamAbort is called on a stream that has not been used yet,
quite confusing error is returned: "this function is not supported by
the connection driver". Let's just ignore such streams as there's
nothing to abort anyway.
---
 src/libvirt.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/libvirt.c b/src/libvirt.c
index 5f6836d637..a9a34f52f4 100644
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -13988,8 +13988,12 @@ int virStreamAbort(virStreamPtr stream)
         return -1;
     }
 
-    if (stream->driver &&
-        stream->driver->streamAbort) {
+    if (!stream->driver) {
+        VIR_DEBUG("aborting unused stream");
+        return 0;
+    }
+
+    if (stream->driver->streamAbort) {
         int ret;
         ret = (stream->driver->streamAbort)(stream);
         if (ret < 0)
-- 
2.47.2