cifs: Allow LANMAN auth method for servers supporting unencapsulated authentication...

This allows users to use LANMAN authentication on servers which support
unencapsulated authentication.

The patch fixes a regression where users using plaintext authentication
were no longer able to do so because of changed bought in by patch
3f618223dc0bdcbc8d510350e78ee2195ff93768

https://bugzilla.redhat.com/show_bug.cgi?id=1011621

Reported-by: Panos Kavalagios <Panagiotis.Kavalagios@eurodyn.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Sachin Prabhu <sprabhu@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>

diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 352358d..e87387d 100644 (file)
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -500,9 +500,9 @@ select_sectype(struct TCP_Server_Info *server, enum securityEnum requested)
                                return NTLMv2;
                        if (global_secflags & CIFSSEC_MAY_NTLM)
                                return NTLM;
-                       /* Fallthrough */
                default:
-                       return Unspecified;
+                       /* Fallthrough to attempt LANMAN authentication next */
+                       break;
                }
        case CIFS_NEGFLAVOR_LANMAN:
                switch (requested) {