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

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>
nomis · Mar 15, 2013 · 75db601 · 75db601
1 parent f4685fa
commit 75db601
Showing 1 changed file with 4 additions and 0 deletions.
diff --git 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;