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net: fix check for number of parameters to -netdev socket

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Since commit 0f8c289ad "net: fix -netdev socket,fd= for UDP sockets"
we allow more than one parameter for -netdev socket. But now
we run into an assert when no parameter at all is specified

> qemu-system-x86_64 -netdev socket
socket.c:729: net_init_socket: Assertion `sock->has_udp' failed.

Fix this by reverting the change of the if condition done in 0f8c289ad.

Cc: Jason Wang <jasowang@redhat.com>
Cc: qemu-stable@nongnu.org
Fixes: 0f8c289ad539feb5135c545bea947b310a893f4b
Reported-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
Signed-off-by: Jens Freimann <jfreimann@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Jens Freimann 2017-09-27 17:21:18 +02:00 committed by Jason Wang
parent 4ffa88c99c
commit ff86d57625
1 changed files with 2 additions and 2 deletions
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4
net/socket.c
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@ -695,8 +695,8 @@ int net_init_socket(const Netdev *netdev, const char *name,
assert(netdev->type == NET_CLIENT_DRIVER_SOCKET);
sock = &netdev->u.socket;
if (sock->has_listen + sock->has_connect + sock->has_mcast +
sock->has_udp > 1) {
if (sock->has_fd + sock->has_listen + sock->has_connect + sock->has_mcast +
sock->has_udp != 1) {
error_setg(errp, "exactly one of listen=, connect=, mcast= or udp="
" is required");
return -1;