net/vde: print error on vde_open() failure

Despite the fact that now when the initialization of vde fails, qemu
does not end silently, no informative error is printed. The patch
generates an error and pushes it through the calling function.

Related bug: https://bugs.launchpad.net/qemu/+bug/676029

Signed-off-by: Julia Suvorova <jusual@mail.ru>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Julia Suvorova via Qemu-devel 2018-03-15 23:06:32 +03:00 committed by Jason Wang
parent 94b52958b7
commit 7587855cd2

View File

@ -30,6 +30,7 @@
#include "qemu-common.h"
#include "qemu/option.h"
#include "qemu/main-loop.h"
#include "qapi/error.h"
typedef struct VDEState {
NetClientState nc;
@ -76,7 +77,7 @@ static NetClientInfo net_vde_info = {
static int net_vde_init(NetClientState *peer, const char *model,
const char *name, const char *sock,
int port, const char *group, int mode)
int port, const char *group, int mode, Error **errp)
{
NetClientState *nc;
VDEState *s;
@ -92,6 +93,7 @@ static int net_vde_init(NetClientState *peer, const char *model,
vde = vde_open(init_sock, (char *)"QEMU", &args);
if (!vde){
error_setg_errno(errp, errno, "Could not open vde");
return -1;
}
@ -112,7 +114,6 @@ static int net_vde_init(NetClientState *peer, const char *model,
int net_init_vde(const Netdev *netdev, const char *name,
NetClientState *peer, Error **errp)
{
/* FIXME error_setg(errp, ...) on failure */
const NetdevVdeOptions *vde;
assert(netdev->type == NET_CLIENT_DRIVER_VDE);
@ -120,7 +121,7 @@ int net_init_vde(const Netdev *netdev, const char *name,
/* missing optional values have been initialized to "all bits zero" */
if (net_vde_init(peer, "vde", name, vde->sock, vde->port, vde->group,
vde->has_mode ? vde->mode : 0700) == -1) {
vde->has_mode ? vde->mode : 0700, errp) == -1) {
return -1;
}