[libvirt] [PATCH 3/3] Fix return value usage

[Doug Goldstein]

Fix the error checking to use the return value from brAddTap() instead
of checking the current errno value which might have been changed by
clean up calls inside of brAddTap().

Signed-off-by: Doug Goldstein <cardoe at gentoo.org>
---
 src/qemu/qemu_conf.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
index e92021a..7c0e354 100644
--- a/src/qemu/qemu_conf.c
+++ b/src/qemu/qemu_conf.c
@@ -1689,7 +1689,7 @@ qemudNetworkIfaceConnect(virConnectPtr conn,
                         tapmac,
                         vnet_hdr,
                         &tapfd))) {
-        if (errno == ENOTSUP) {
+        if (err == ENOTSUP) {
             /* In this particular case, give a better diagnostic. */
             qemuReportError(VIR_ERR_INTERNAL_ERROR,
                             _("Failed to add tap interface to bridge. "
-- 
1.7.2