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| author | Eugenio Pérez <eperezma@redhat.com> | 2021-11-12 20:34:31 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2021-11-15 09:44:46 -0500 |
| commit | c829540401f280f0cad24131f4e7b92e81d506fa (patch) | |
| tree | af36e591f21348c6c6b05587883b6ee353cb7e30 | |
| parent | 0351152b6f16e23e65407b4c4b27e23b46aa3801 (diff) | |
| download | qemu-c829540401f280f0cad24131f4e7b92e81d506fa.zip qemu-c829540401f280f0cad24131f4e7b92e81d506fa.tar.gz qemu-c829540401f280f0cad24131f4e7b92e81d506fa.tar.bz2 | |
vdpa: Check for existence of opts.vhostdev
Since net_init_vhost_vdpa is trying to open it. Not specifying it in the
command line crash qemu.
Fixes: 7327813d17 ("vhost-vdpa: open device fd in net_init_vhost_vdpa()")
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Message-Id: <20211112193431.2379298-3-eperezma@redhat.com>
Acked-by: Jason Wang <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.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c index 1a7250b..2e3c22a 100644 --- a/net/vhost-vdpa.c +++ b/net/vhost-vdpa.c @@ -260,6 +260,10 @@ int net_init_vhost_vdpa(const Netdev *netdev, const char *name, assert(netdev->type == NET_CLIENT_DRIVER_VHOST_VDPA); opts = &netdev->u.vhost_vdpa; + if (!opts->vhostdev) { + error_setg(errp, "vdpa character device not specified with vhostdev"); + return -1; + } vdpa_device_fd = qemu_open(opts->vhostdev, O_RDWR, errp); if (vdpa_device_fd == -1) { |