[PATCH -V4 2/2] tools/kvm/9p: return EOPNOTSUPP if the handler is not implemented

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Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
---
 tools/kvm/virtio/9p.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/tools/kvm/virtio/9p.c b/tools/kvm/virtio/9p.c
index 2727a85..69e534f 100644
--- a/tools/kvm/virtio/9p.c
+++ b/tools/kvm/virtio/9p.c
@@ -609,6 +609,12 @@ static u8 virtio_p9_get_cmd(struct p9_pdu *pdu)
 	return msg->cmd;
 }
 
+static void virtio_p9_eopnotsupp(struct p9_dev *p9dev,
+				 struct p9_pdu *pdu, u32 *outlen)
+{
+	return virtio_p9_error_reply(p9dev, pdu, EOPNOTSUPP, outlen);
+}
+
 static bool virtio_p9_do_io_request(struct kvm *kvm, struct p9_dev_job *job)
 {
 	u8 cmd;
@@ -626,8 +632,7 @@ static bool virtio_p9_do_io_request(struct kvm *kvm, struct p9_dev_job *job)
 
 	if (cmd >= ARRAY_SIZE(virtio_9p_handler) ||
 	    !virtio_9p_handler[cmd]) {
-		printf("Unsupported P9 message type: %u\n", cmd);
-
+		handler = virtio_p9_eopnotsupp;
 	} else {
 		handler = virtio_9p_handler[cmd];
 		handler(p9dev, p9pdu, &len);
-- 
1.7.4.1

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