9p: default 9p transport module fix

The default 9p transport module is not chosen unless an option parameter (any)
is passed to mount, which thus returns a ENOPROTOSUPPORT. This fix moves the
check out of parse_opts into p9_client_create.

Signed-off-by: Abhishek Kulkarni <adkulkar@umail.iu.edu>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>

diff --git a/net/9p/client.c b/net/9p/client.c
index dd43a8289b0d9ecaf74aadc205063d2e2eaf8b3a..783a4107740381e1f033843b74ce61401a65a4e3 100644 (file)
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -117,9 +117,6 @@ static int parse_opts(char *opts, struct p9_client *clnt)
                }
        }
 
-       if (!clnt->trans_mod)
-               clnt->trans_mod = v9fs_get_default_trans();
-
        kfree(options);
        return ret;
 }
@@ -689,6 +686,9 @@ struct p9_client *p9_client_create(const char *dev_name, char *options)
        if (err < 0)
                goto error;
 
+       if (!clnt->trans_mod)
+               clnt->trans_mod = v9fs_get_default_trans();
+
        if (clnt->trans_mod == NULL) {
                err = -EPROTONOSUPPORT;
                P9_DPRINTK(P9_DEBUG_ERROR,