fs/9p: Clean-up get_protocol_version() to use strcmp

Signed-off-by: Prem Karat <prem.karat@linux.vnet.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
diff --git a/net/9p/mod.c b/net/9p/mod.c
index 72c3982..2664d12 100644
--- a/net/9p/mod.c
+++ b/net/9p/mod.c
@@ -80,14 +80,14 @@
  * @name: string identifying transport
  *
  */
-struct p9_trans_module *v9fs_get_trans_by_name(const substring_t *name)
+struct p9_trans_module *v9fs_get_trans_by_name(char *s)
 {
 	struct p9_trans_module *t, *found = NULL;
 
 	spin_lock(&v9fs_trans_lock);
 
 	list_for_each_entry(t, &v9fs_trans_list, list)
-		if (strncmp(t->name, name->from, name->to-name->from) == 0 &&
+		if (strcmp(t->name, s) == 0 &&
 		    try_module_get(t->owner)) {
 			found = t;
 			break;