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[Qemu-devel] [PATCH v3] net: fix check for number of parameters to -netd
From: |
Jens Freimann |
Subject: |
[Qemu-devel] [PATCH v3] net: fix check for number of parameters to -netdev socket |
Date: |
Wed, 27 Sep 2017 17:21:18 +0200 |
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 <address@hidden>
Fixes: 0f8c289ad539feb5135c545bea947b310a893f4b
Reported-by: Mao Zhongyi <address@hidden>
Signed-off-by: Jens Freimann <address@hidden>
---
v2->v3:
- go back to the original check != 1. No need for more than one
argument, putting sock->has_fd back into the calculation is enough
v1->v2:
- add check to prevent listen= and connect= being used at the same time
net/socket.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/socket.c b/net/socket.c
index e6b471c63d..83a2a31025 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -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;
--
2.13.5
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