CIFS: Move protocol specific session setup/logoff code to ops struct

Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 3ba3f3c..08efc3c 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -556,7 +556,7 @@
 }
 
 int
-CIFS_SessSetup(unsigned int xid, struct cifs_ses *ses,
+CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,
 	       const struct nls_table *nls_cp)
 {
 	int rc = 0;