net/9p: fix statsize inside twstat
stat structures contain a size prefix. In our twstat messages
we were including the size of the size prefix in the prefix, which is not
what the protocol wants, and Inferno servers would complain.
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
diff --git a/net/9p/client.c b/net/9p/client.c
index 90a2eb9..a2e2d61 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -1222,10 +1222,11 @@
{
int ret;
+ /* NOTE: size shouldn't include its own length */
/* size[2] type[2] dev[4] qid[13] */
/* mode[4] atime[4] mtime[4] length[8]*/
/* name[s] uid[s] gid[s] muid[s] */
- ret = 2+2+4+13+4+4+4+8+2+2+2+2;
+ ret = 2+4+13+4+4+4+8+2+2+2+2;
if (wst->name)
ret += strlen(wst->name);
@@ -1266,7 +1267,7 @@
wst->name, wst->uid, wst->gid, wst->muid, wst->extension,
wst->n_uid, wst->n_gid, wst->n_muid);
- req = p9_client_rpc(clnt, P9_TWSTAT, "dwS", fid->fid, wst->size, wst);
+ req = p9_client_rpc(clnt, P9_TWSTAT, "dwS", fid->fid, wst->size+2, wst);
if (IS_ERR(req)) {
err = PTR_ERR(req);
goto error;