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-rw-r--r--hw/virtio-9p.c19
-rw-r--r--hw/virtio-9p.h2
2 files changed, 15 insertions, 6 deletions
diff --git a/hw/virtio-9p.c b/hw/virtio-9p.c
index 60a40b9330..4b15ce7197 100644
--- a/hw/virtio-9p.c
+++ b/hw/virtio-9p.c
@@ -844,17 +844,24 @@ static void complete_pdu(V9fsState *s, V9fsPDU *pdu, ssize_t len)
int8_t id = pdu->id + 1; /* Response */
if (len < 0) {
- V9fsString str;
int err = -len;
+ len = 7;
- str.data = strerror(err);
- str.size = strlen(str.data);
+ if (s->proto_version != V9FS_PROTO_2000L) {
+ V9fsString str;
+
+ str.data = strerror(err);
+ str.size = strlen(str.data);
+
+ len += pdu_marshal(pdu, len, "s", &str);
+ id = P9_RERROR;
+ }
- len = 7;
- len += pdu_marshal(pdu, len, "s", &str);
len += pdu_marshal(pdu, len, "d", err);
- id = P9_RERROR;
+ if (s->proto_version == V9FS_PROTO_2000L) {
+ id = P9_RLERROR;
+ }
}
/* fill out the header */
diff --git a/hw/virtio-9p.h b/hw/virtio-9p.h
index 016ba1dcf7..0816ad66ec 100644
--- a/hw/virtio-9p.h
+++ b/hw/virtio-9p.h
@@ -13,6 +13,8 @@
#define VIRTIO_9P_MOUNT_TAG 0
enum {
+ P9_TLERROR = 6,
+ P9_RLERROR,
P9_TSTATFS = 8,
P9_RSTATFS,
P9_TLOPEN = 12,