[PATCH 3/3] tools: hv: daemon should check type of received Netlink msg

[Tomas Hozza]

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 at redhat.com>
---
 tools/hv/hv_kvp_daemon.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
index 704a0f9..5a1f648 100644
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -1503,6 +1503,10 @@ int main(void)
 		}
 
 		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);
 		hv_msg = (struct hv_kvp_msg *)incoming_cn_msg->data;
 
-- 
1.8.1.4