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[PATCH 2/2] vdpa: Check for existence of opts.vhostdev
From: |
Eugenio Pérez |
Subject: |
[PATCH 2/2] vdpa: Check for existence of opts.vhostdev |
Date: |
Fri, 12 Nov 2021 20:34:31 +0100 |
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>
---
net/vhost-vdpa.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c
index 6ffb29f4da..bbd3576f23 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) {
--
2.27.0