9p: implement proper trans module refcounting and unregistration

[linux-2.6-omap-h63xx.git] / net / 9p / client.c

diff --git a/net/9p/client.c b/net/9p/client.c
index 2ffe40cf2f01799634c478443284b80f62c9289c..10e320307ec015dad7e2a7db8b753f4a1886f645 100644 (file)
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -75,7 +75,6 @@ static int parse_opts(char *opts, struct p9_client *clnt)
        int option;
        int ret = 0;
 
-       clnt->trans_mod = v9fs_default_trans();
        clnt->dotu = 1;
        clnt->msize = 8192;
 
@@ -108,7 +107,7 @@ static int parse_opts(char *opts, struct p9_client *clnt)
                        clnt->msize = option;
                        break;
                case Opt_trans:
-                       clnt->trans_mod = v9fs_match_trans(&args[0]);
+                       clnt->trans_mod = v9fs_get_trans_by_name(&args[0]);
                        break;
                case Opt_legacy:
                        clnt->dotu = 0;
@@ -117,6 +116,10 @@ static int parse_opts(char *opts, struct p9_client *clnt)
                        continue;
                }
        }
+
+       if (!clnt->trans_mod)
+               clnt->trans_mod = v9fs_get_default_trans();
+
        kfree(options);
        return ret;
 }
@@ -150,6 +153,7 @@ struct p9_client *p9_client_create(const char *dev_name, char *options)
        if (!clnt)
                return ERR_PTR(-ENOMEM);
 
+       clnt->trans_mod = NULL;
        clnt->trans = NULL;
        spin_lock_init(&clnt->lock);
        INIT_LIST_HEAD(&clnt->fidlist);
@@ -235,6 +239,8 @@ void p9_client_destroy(struct p9_client *clnt)
                clnt->trans = NULL;
        }
 
+       v9fs_put_trans(clnt->trans_mod);
+
        list_for_each_entry_safe(fid, fidptr, &clnt->fidlist, flist)
                p9_fid_destroy(fid);