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virtio: regression fix 

A regression was introduced in the last pull request. Fix it up.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

virtio: regression fix

A regression was introduced in the last pull request. Fix it up.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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# gpg: Signature made Wed 28 Jun 2023 01:53:40 PM CEST
# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "mst@redhat.com"
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* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu:
  net/vhost-net: do not assert on null pointer return from tap_get_vhost_net()

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-06-28 15:55:25 +02:00
parent aa1048e33c ca3fcdeeee
commit 37004ba469
1 changed files with 6 additions and 1 deletions
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7
hw/net/vhost_net.c
View File

@ -507,7 +507,12 @@ VHostNetState *get_vhost_net(NetClientState *nc)
switch (nc->info->type) {
case NET_CLIENT_DRIVER_TAP:
vhost_net = tap_get_vhost_net(nc);
assert(vhost_net);
/*
* tap_get_vhost_net() can return NULL if a tap net-device backend is
* created with 'vhost=off' option, 'vhostforce=off' or no vhost or
* vhostforce or vhostfd options at all. Please see net_init_tap_one().
* Hence, we omit the assertion here.
*/
break;
#ifdef CONFIG_VHOST_NET_USER
case NET_CLIENT_DRIVER_VHOST_USER: