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authorJason Wang2021-10-20 06:55:54 +0200
committerMichael S. Tsirkin2021-10-20 10:44:05 +0200
commit654790b65b8435a7d409b1873b566e8db9e91b9b (patch)
tree5f5d27f8a65e1f8374966d5bfb8da0e9c00a6289
parentvhost-vdpa: prepare for the multiqueue support (diff)
downloadqemu-654790b65b8435a7d409b1873b566e8db9e91b9b.tar.gz
qemu-654790b65b8435a7d409b1873b566e8db9e91b9b.tar.xz
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vhost-vdpa: let net_vhost_vdpa_init() returns NetClientState *
This patch switches to let net_vhost_vdpa_init() to return NetClientState *. This is used for the callers to allocate multiqueue NetClientState for multiqueue support. Signed-off-by: Jason Wang <jasowang@redhat.com> Message-Id: <20211020045600.16082-5-jasowang@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
-rw-r--r--net/vhost-vdpa.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c
index fd4ff5a0fb..151f60184d 100644
--- a/net/vhost-vdpa.c
+++ b/net/vhost-vdpa.c
@@ -169,8 +169,10 @@ static NetClientInfo net_vhost_vdpa_info = {
.check_peer_type = vhost_vdpa_check_peer_type,
};
-static int net_vhost_vdpa_init(NetClientState *peer, const char *device,
- const char *name, int vdpa_device_fd)
+static NetClientState *net_vhost_vdpa_init(NetClientState *peer,
+ const char *device,
+ const char *name,
+ int vdpa_device_fd)
{
NetClientState *nc = NULL;
VhostVDPAState *s;
@@ -184,15 +186,17 @@ static int net_vhost_vdpa_init(NetClientState *peer, const char *device,
ret = vhost_vdpa_add(nc, (void *)&s->vhost_vdpa);
if (ret) {
qemu_del_net_client(nc);
+ return NULL;
}
- return ret;
+ return nc;
}
int net_init_vhost_vdpa(const Netdev *netdev, const char *name,
NetClientState *peer, Error **errp)
{
const NetdevVhostVDPAOptions *opts;
- int vdpa_device_fd, ret;
+ int vdpa_device_fd;
+ NetClientState *nc;
assert(netdev->type == NET_CLIENT_DRIVER_VHOST_VDPA);
opts = &netdev->u.vhost_vdpa;
@@ -202,10 +206,11 @@ int net_init_vhost_vdpa(const Netdev *netdev, const char *name,
return -errno;
}
- ret = net_vhost_vdpa_init(peer, TYPE_VHOST_VDPA, name, vdpa_device_fd);
- if (ret) {
+ nc = net_vhost_vdpa_init(peer, TYPE_VHOST_VDPA, name, vdpa_device_fd);
+ if (!nc) {
qemu_close(vdpa_device_fd);
+ return -1;
}
- return ret;
+ return 0;
}