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tools: hv: daemon should check type of received Netlink msg

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HyperV KVP daemon should check nlmsg_type in received netlink message
header. If message type is NLMSG_DONE daemon can proceed with processing
otherwise it should wait for next message.

Signed-off-by: Tomas Hozza <thozza@redhat.com>
Acked-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tomas Hozza 2013-03-13 14:14:14 +01:00 committed by Greg Kroah-Hartman
parent f4685fa6d0
commit 75db601496
1 changed files with 4 additions and 0 deletions
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4
tools/hv/hv_kvp_daemon.c
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@ -1503,6 +1503,10 @@ int main(void)
} }
incoming_msg = (struct nlmsghdr *)kvp_recv_buffer; incoming_msg = (struct nlmsghdr *)kvp_recv_buffer;
if (incoming_msg->nlmsg_type != NLMSG_DONE)
continue;
incoming_cn_msg = (struct cn_msg *)NLMSG_DATA(incoming_msg); incoming_cn_msg = (struct cn_msg *)NLMSG_DATA(incoming_msg);
hv_msg = (struct hv_kvp_msg *)incoming_cn_msg->data; hv_msg = (struct hv_kvp_msg *)incoming_cn_msg->data;